Anemometer

• Manufacturer: Jules Richard, Constucteur
• Country of Origin: Paris, France
• Serial Number: SN18A
• Related Link: Link

Turbine type (in working order) in case with spanner & phial of oil. Calibration curve in pocket under lid.

Anemometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN18A

Brass stand, black cups. Label reading ""Returned by the National Meteorology Laboratory, Glasnevin. Oliver Power.

Pressure Gauge

• Manufacturer: Schaeffer & Budenberg
• Country of Origin: Zurich, Switzerland
• Serial Number: SN4C

Glass fronted brass needle instrument.

Barometer

• Manufacturer: Lufft
• Country of Origin: Fellbach, Germany
• Serial Number: SN18B

Spherically curved glass surface. Scale reads from 970-1030mb.

Barometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN18B

Domestic Aneroid Barometer with glass front cracked.

Baume's Hydrometer for Heavy Liquids

• Manufacturer:
• Country of Origin: Germany
• Serial Number: SN7C

Mercury bulb, wider hollow cylindrical segment and long graded tube with scale from 24-0.

Baume's Hydrometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN7C

Mercury bulb, pear shaped hollow segment, long graded tube with scale 45-0.

Beckmann Thermometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN4B

Beckmann Thermometer in padded grey cardboard case. Donated by Eric Finch.

Daniell Hygrometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN7A
• Related Link: Link

Instrument lies in cloth lined hardwood case & is complete except for a missing base plate. (The latter is circular with a female threaded hole in the centre).

Gay Lussac's Alcoholometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN7D

Glass alcoholometer in glass cylinder within black card cylinder. Two scales: one wide, 10°-110°F, one narrow 0°-100°F centesimal scale.

Hydrometers

• Manufacturer:
• Country of Origin:
• Serial Number: SN7B

Wooden box containing 4 hydrometers - 2 are broken.

Hygrometer

• Manufacturer:
• Country of Origin: Germany
• Serial Number: SN18B

Circular hygrometer, glass face. Scale from 0-100% 'rel. humidity'.

Portable Mercury Barometer

• Image...?
• Manufacturer: J. Newman
• Country of Origin: London, England
• Serial Number: SN18C

In leather case with tripod; barometer is broken.

Portable Mercury Barometer

• Image...?
• Manufacturer: J. Newman
• Country of Origin: London, England
• Serial Number: SN18C

Identical to 137; also broken.

Radiometer

• Manufacturer: Edmund Scientific Co.
• Country of Origin: New Jersey, USA
• Serial Number: FF1C
• Related Link: Link

Radiometer with cardboard & polystyrene box.

Tensiometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN1A

Homemade tensiometers on painted blue wooden bases. A: Appears intact; B: Suspension support string for needle broken, scale support twisted out of shape.

Tensiometer

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: SN1A

Metal stand, supports heavily rusted. Rule scale from 0-7cm.

Thermometer/Barograph

• Manufacturer: R. F.
• Country of Origin: Paris, France
• Serial Number: SN7A

Clockwork barograph & thermometer in glass fronted carrying case - glass missing.

Leslie's Differential Thermometer

• Manufacturer: H. Negretti & Co.
• Country of Origin: London, England
• Serial Number: SN7D

Instrument in perfect working order.

Thermometer (Maximum)

• Manufacturer: Negretti & Zambra
• Country of Origin: London, England
• Serial Number: SN7D

Complete working order, Patent No. 5783.

Thermometer

• Manufacturer: Negretti & Zambra
• Country of Origin: London, England
• Serial Number: SN7D

On backing plate but thermometer bulb is broken off.

Black Bulb Thermometer

• Manufacturer: S. Casella
• Country of Origin: London, England
• Serial Number: SN7C

Perfect condition.

Black Bulb Thermometer

• Manufacturer: S. Casella
• Country of Origin: London, England
• Serial Number: SN7C

As 143, identical but for slightly different scale.

Resistance Thermometer (?)

• Manufacturer:
• Country of Origin:
• Serial Number: SN7D

Two terminal device with ceramic tube.

Wet & Dry Bulb Thermometer

• Manufacturer: F. Greiner
• Country of Origin: Berlin, Germany
• Serial Number: SN7D

Pair thermometers (one broken) on collapsible wooden stand. Wick & reservoir are missing.

Wet & Dry Bulb Thermometer

• Manufacturer: Mason & Son
• Country of Origin: Dublin, Ireland
• Serial Number: SN7C

Both on metal backing plate, wet bulb perfect, dry bulb broken.

Wet & Dry Bulb Thermometer

• Manufacturer: Negretti & Zambra
• Country of Origin: London, England
• Serial Number: SN4A

Complete instrument packed in kapok in wooden case.

Wet & Dry Thermometer

• Manufacturer:
• Country of Origin:
• Serial Number: SN7D

Wooden base, two scales on thermometer columns, from 20°-130°F"

Bell (Dry) Cell

• Manufacturer: General Electric Co.
• Country of Origin: Coventry, England
• Serial Number: SN3B

Large dry cell, Catalogue No. L4942.

Clark Standard Cell

• Manufacturer: Muirhead & Co.
• Country of Origin: London, England
• Serial Number: SN3C

Complete with integral thermometer.

Leclanché Cell

• Serial Number: SN3A

Complete but without electrolyte.

Leclanché Cell

• Manufacturer: Litton
• Country of Origin: England
• Serial Number: SN3A

As 131 but with incorrect carbon electrode.

Leclanché Cell

• Serial Number: SN3A

Complete & identical. (Note added: A has no glass jar).

Glass Jars with Copper Electrodes

• Manufacturer:
• Country of Origin:
• Serial Number: SN3C

Square glass jars, A containing 4 plate electrodes, B empty.

Carbon Cell Plate

• Manufacturer:
• Country of Origin:
• Serial Number: SN3A

Cell plate with brass screw terminal - see also 131 & 132.

Cell

• Manufacturer: Baird & Tatlock Ltd.
• Country of Origin: London, England
• Serial Number: SN3C

Small black cell.

Cell

• Manufacturer:
• Country of Origin:
• Serial Number: SN3C

Exide Battery Cell

• Manufacturer: Exide
• Country of Origin: Georgia, USA
• Serial Number: SN3B

Photocell

• Manufacturer: H. W. Sullivan
• Country of Origin: London, England
• Serial Number: SN3B

"Osram" type complete with socket & base.

Photocell

• Manufacturer: Weston Electrical Instrument Corp.
• Country of Origin: New Jersey, USA
• Serial Number: SN3B

Weston brand, enclosed in original card box.

Photovoltaic Cell

• Manufacturer:
• Country of Origin:
• Serial Number: SN3B

Wooden frame, two terminals.

Weston Standard Cell

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: SN3C

Complete in brass case. Patent No: 35661

Weston Cell

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: SN3C

Consists of pair of cells in brass case, with provision for thermometer.

Automatic Telegraph Dial

• Manufacturer: Yeates & Son
• Country of Origin: Dublin, Ireland
• Serial Number: SN9B

Wooden base, faded metal dial with alphabet in a ring.

Automatic Telegraph Dial

• Manufacturer:
• Country of Origin:
• Serial Number: SN9B

Wooden base, upright brass dial with alphabet in a ring. Handle missing.

Repeater (Relay) for Telegraphy

• Manufacturer: Elliot Bros.
• Country of Origin: London, England
• Serial Number: SN9C

Complete instrument.

Telegraph Repeater (Relay)

• Manufacturer: Creed & Co. Ltd.
• Country of Origin: East Croydon, England
• Serial Number: SN9C
• Related Link: Link

Complete instrument.

Dial Telephone

• Manufacturer: G & C
• Country of Origin:
• Serial Number: SN9A

Black dial telephone.

Mobile Phone

• Manufacturer: Motorola
• Country of Origin: USA
• Serial Number: SN9A

Blue Motorola phone with protruding aerial.

Telephone (Wall mounted)

• Manufacturer: Hunnings-Cone
• Country of Origin: Yorkshire, England
• Serial Number: SN9A
• Related Link: Link

Old wooden telephone, missing receiver.

Ammeter

• Manufacturer:
• Country of Origin:
• Serial Number: FL2B

Identical to 102, 0-50 A scale, marked "Stanley Patent" also.

Ammeter

• Manufacturer: Newton & Co.
• Country of Origin: London, England
• Serial Number: ST2A

Ammeter

• Manufacturer: Sangamo Weston Ltd.
• Country of Origin: Middlesex, England
• Serial Number: FL2B

Ammeter on angled wooden support. Scale 0-300 mA.

Ammeter

• Manufacturer: Weston
• Country of Origin: New Jersey, USA
• Serial Number: FL2B

Ammeter on angled wooden support. Scale 0-1 Milliamperes D.C.

Ammeter

• Manufacturer: Elliott Bros.
• Country of Origin: London, England
• Serial Number: FL2B

Ammeter in wooden casing on wooden base.

Ammeter

• Manufacturer:
• Country of Origin:
• Serial Number: FL2B

Pointer ammeter in faded brass casing. Two terminals, scale from 0-3000 'Milli-amps'.

Ammeter

• Manufacturer: Cambridge Scientific Instrument Co.
• Country of Origin: London, England
• Serial Number: FL2B

Unipivot ammeter in black bakelite casing. Scale 0-120 Microamps.

Ammeter

• Manufacturer: Ferranti
• Country of Origin: Hollinwood, England
• Serial Number: FL2B

Milliammeter on angled hardwood base. Scale 0-50 milliamperes.

Ammeter

• Manufacturer: Ferranti
• Country of Origin: Hollinwood, England
• Serial Number: FL2B

Small ammeter on angled hardwood base. Scale 50-200. Printed ""Thermocouple, F, Gx2, 1940.

Ammeter on Handle

• Manufacturer: Medical Supply Association
• Country of Origin: London, England
• Serial Number: FL2B

Handle with ammeter free to rotate about axis. Scale -5-+5 Milli-amps.

Ammeter

• Manufacturer: Crompton Parkinson Limited
• Country of Origin: Leeds, England
• Serial Number: FL2B

Black box casing, two terminals, handle, large circular white display, scale 0-20 Amperes. Printed Calibrated in horizontal position.

Ammeter

• Manufacturer: Crompton
• Country of Origin: London, England
• Serial Number: FL2B

Black box casing, six terminals, handle. Large rectangular white display, scale 0-5 Amperes. Printed Calibrated in horizontal position. Sticker: Property of Chem. Eng. Dept.

Ammeter

• Manufacturer: Mason
• Country of Origin: Dublin, Ireland
• Serial Number: FL2C

Ammeter on angled wooden support. Missing casing over display.

Ammeter

• Manufacturer: PGCO
• Country of Origin:
• Serial Number: FL2C

Circular/Cylindrical ammeter with two diametrically opposed terminals. Scale 0-80 A.

Ammeter

• Manufacturer: Rustrak
• Country of Origin: Ohio, USA
• Serial Number: FL2C

Grey box-shaped D.C. Milliammeter. Scale 0-1 Milliamperes D.C. Graph paper backdrop display.

Ammeter

• Manufacturer: Weston
• Country of Origin: New Jersey, USA
• Serial Number: FL2C

Ammeter on angled wooden support. Bakelite display casing. Scale 0-5 Amperes.

Ammeter

• Manufacturer: Sangamo Weston Ltd.
• Country of Origin: Middlesex, England
• Serial Number: ST2A

Ammeter in a case. Display glass cracked.

Ammeter

• Manufacturer:
• Country of Origin:
• Serial Number: FL2B

D.C. Milliammeter on angled wooden base. Scale 0-1 milliamperes. Moving coil.

Ammeter

• Manufacturer: Anders
• Country of Origin: London, England
• Serial Number: FL2B

Milliammeter in black angled bakelite case.

Astatic Galvanometer

• Manufacturer: Watkins & Hill
• Country of Origin: London, England
• Serial Number: FL8.5C

Complete instrument with small telescope to view scale through the glass cover.

Nobilis Astatic Galvanometer

• Manufacturer:
• Country of Origin:
• Serial Number: FL8.5C

Complete instrument in glass case.

Astatic Galvanometer

• Manufacturer:
• Country of Origin:
• Serial Number: FL8.5C

Complete instrument on wooden base.

Neville Patent Automatic Battery Switch

• Manufacturer:
• Country of Origin:
• Serial Number: FL1Top

Angled bakelite base with coil and levers. Marked "100V".

Ayrton & Mather Galvanometer

• Manufacturer: R. W. Paul
• Country of Origin: London, England
• Serial Number: FL8.5B

A: Complete, but mirror has separated from mounting; B: Identical to A but without vertical mirror support.

Ayrton & Mather Galvanometer

• Manufacturer: Baird & Tatlock Ltd.
• Country of Origin: London, England
• Serial Number: FL8.5B

Complete instrument.

Ayrton & Mather Galvanometer

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: FL8.5A

Complete instrument.

Ayrton & Mather Galvanometer

• Manufacturer: Leeds & Northrup Co.
• Country of Origin: Philadelphia, USA
• Serial Number: FL8.5B

Complete but torsion fibre is broken.

Ayrton & Mather Galvanometer

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: FL8.5A

Complete apart from broken torsion fibre. Has added parallel shunt resistance.

Ayrton & Mather Galvanometer

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: FL8.5A

Complete working order apart from torsion fibre.

Ayrton & Mather Galvanometer

• Manufacturer: Cambridge Scientific Instrument Co.
• Country of Origin: London, England
• Serial Number: FL8.5A

Complete instrument. Fibre broken.

Black Box with mystery circuit concealed in wax.

• Manufacturer: Alan Greig
• Country of Origin: Dublin, Ireland
• Serial Number: SN17B

Designed and built by Prof Greig (retired 1978). Students were tasked with determining the hidden circuit by experiment.

Box for High-Voltage Apparatus

• Manufacturer:
• Country of Origin:
• Serial Number: SN16A

Wooden box with glass base. High voltage terminals on lid for attaching to contents.

Bridge Circuit

• Manufacturer: Weston
• Country of Origin: New Jersey, USA
• Serial Number: ST1F

Wooden casing with angled black face. Label reading 'For checking extractor network from outside accel. column. E. Meyer'. Readout scale -100-+100?a.

Broca Galvanometer

• Manufacturer: Cambridge Scientific Instrument Co.
• Country of Origin: London, England
• Serial Number: FL8.5D

Complete except for missing small control magnet (fits on end of moveable arm).

Precision Capacitor

• Manufacturer: H. W. Sullivan
• Country of Origin: London, England
• Serial Number: FL2A

Brass encapsulated; missing shorting plug.

Capacitance Box

• Manufacturer: H. W. Sullivan
• Country of Origin: London, England
• Serial Number: FL2A

Complete but knob of one switch is broken.

Capacitor

• Serial Number: FL2A

Capacitor

• Manufacturer:
• Country of Origin:
• Serial Number: FL2A

Capacitor

• Manufacturer:
• Country of Origin:
• Serial Number: FL2A

Capacitor

• Manufacturer:
• Country of Origin:
• Serial Number: FL2A

Variable Capacitor

• Manufacturer: Fallon
• Country of Origin:
• Serial Number: FL2A

Black casing holding fifteen rows of metal semicircular plates. Knob rotating scale (0-180) and a further fourteen interlocking semicircular plates.

Variable Capacitor

• Manufacturer:
• Country of Origin:
• Serial Number: FL2A

13 rows of semicircular metal plates on hardwood base. 13 rotating interlocking plates. Handle missing. Wire attached.

Capacitor

• Manufacturer: (illegible)
• Country of Origin:
• Serial Number: FL2A

Wooden cube with two terminals. Broken slightly revealing interior. Printed ""Type W800, Capacity 0.1?F, Max Working Voltage 3000 D.C., Patented.

D'Arsonval Galvanometer

• Manufacturer: Nalder Bros. & Co.
• Country of Origin: London, England
• Serial Number: FL8C

Complete.

D'Arsonval Galvanometer

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: FL8C

Complete apart from broken torsion fibre.

D'Arsonval Galvanometer

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: FL8C

Complete apart from broken torsion fibre.

D'Arsonval Galvanometer

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: FL8A

Mirror type device complete in wooden case. Type No: 4789.

D'Arsonval Galvanometer

• Manufacturer: Cambridge Scientific Instrument Co.
• Country of Origin: London, England
• Serial Number: FL8C

Brass, complete.

D'Arsonval Galvanometer

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: FL8C

Integral lamp & see through scale all in hardwood case. Type S.S.I. 45 & labelled "Supplied by Mason, Dublin".

D'Arsonval Pointer Galvanometers

• Manufacturer: Gambrell Bros.
• Country of Origin: London, England
• Serial Number: FL8B

Glass fronted hardwood cased instrument designed for wall mounting. A: Complete but broken torsion fibre; C: Complete but broken torsion fibre & mechanism.

D'Arsonval Pointer Galvanometers

• Manufacturer: Mason
• Country of Origin: Dublin, Ireland
• Serial Number: FL8B

Free standing in hardwood case with bubble level included. Complete but torsion fibre is broken.

Differential Galvanometer

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: FL8.5D

Missing mirror, magnet & torsion fibre.

Electrical Switch

• Manufacturer: Dixon & Hempenstall (Opticians)
• Country of Origin: Dublin, Ireland
• Serial Number: ST2A

Galvanometer Shunt Box

• Manufacturer: R. W. Paul
• Country of Origin: London, England
• Serial Number: FL8D

Set of resistances in two terminal brass case. Type "A-M No 42".

Ayrton & Mather Universal Shunt Box

• Manufacturer:
• Country of Origin:
• Serial Number: FL8D

Complete in hardwood case.

Needle Telegraph (Galvanometer)

• Manufacturer:
• Country of Origin:
• Serial Number: FL8A

Wooden box with glass front and metal handle. Deflection scale -60 ° -+60 ° . Needle pointer attached to coil (inside).

Galvanometer

• Manufacturer: Yeates & Son
• Country of Origin: Dublin, Ireland
• Serial Number: FL8A

Wooden disc with semi-circular deflection scale (-90-+90). Needle pointer attached to coil.

Ammeter

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: FL8C

Small black ammeter missing a leg.

Galvanometer

• Manufacturer: Baird & Tatlock Ltd.
• Country of Origin: London, England
• Serial Number: FL8A

Single-pivot galvanometer.

Galvanometer (Scalamp)

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: FL8A

Steel cased galvanometer with 3-pin plug. This instrument was bought in October 1961 and cost £28. Please treat it with care. Scale 0-14 and -7-+7.

Large Thermionic Diode

• Manufacturer: Ediswan
• Country of Origin: London, England
• Serial Number: ST1B

Large (12x6) device mounted on hardwood base. Type ESU 400.

Volt Ration Box

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: FL11.5

Voltage reduction box for use with potentiometer.

Potentiometer

• Manufacturer: Cambridge Scientific Instrument Co.
• Country of Origin: London, England
• Serial Number: FL11.5

Portable potentiometer used for 1981 Arctic Expedition.

Powermeter

• Manufacturer: Philips
• Country of Origin: Eindhoven, Netherlands
• Serial Number: ST1E

Broken handle. Scale reads 0-300 and 0-100 with '0dB=1mW 600? 0,775V' written.

Ratemeter

• Manufacturer: Philips
• Country of Origin: Eindhoven, Netherlands
• Serial Number: ST2F

Black façade, scale 0-100 and 0-30 (units unclear).

Precision Resistance

• Manufacturer: H. Tinsley & Co.
• Country of Origin: London, England
• Serial Number: FL2A

Value 1?, known as "Manganin Type".

Precision Resistance

• Manufacturer: Elliott Bros.
• Country of Origin: London, England
• Serial Number: SN17A

Value 100?, type known as "British Association Pattern".

Precision Resistance

• Manufacturer: Elliot Bros.
• Country of Origin: London, England
• Serial Number: FL2A

Value 1?, type known as British Association Pattern. Also has wooden case & brass connection clamps.

Resistance Instrument

• Manufacturer: Baird & Tatlock Ltd.
• Country of Origin: London, England
• Serial Number: FL2A

Resistor

• Manufacturer:
• Country of Origin:
• Serial Number: FL2A

6,000? resistor.

Extra Resistance for AC Test Instrument

• Manufacturer:
• Country of Origin:
• Serial Number: FL6DR

Wooden base with resistance plugs covered by black metal grating.

Resistance Box (Post-Office Type)

• Manufacturer: A. Gallenkamp & Co. Ltd.
• Country of Origin: London, England
• Serial Number: FL2D

Wooden box, black-handled plugs.

Resistance Box (Post-Office Type)

• Manufacturer: Gambrell Bros &
  Co. Ltd.; Mason, Dublin
• Country of Origin: London, England; Dublin, Ireland
• Serial Number: FL2D

Wooden box, brass-handled plugs, contacts slightly off-level.

Resistance Box (Post-Office Type)

• Manufacturer: Leeds & Northrup Co.
• Country of Origin: Minworth England
• Serial Number: FL2D

Wooden box, black-handled plugs. Scars on inside of lid due to over-extended screw, brass handle on lid.

Resistance Box (Post-Office Type)

• Manufacturer: Gambrell
• Country of Origin: Croydon, England
• Serial Number: FL2C

23 resistance plugs. Label inside lid reads "This instrument was bought in Feb 1962 and cost £20. Please treat it with care."

Large Resistance Unit

• Manufacturer: Cambridge Scientific Instrument Co.
• Country of Origin: London, England
• Serial Number: FL7EB

Rheostat

• Manufacturer: Zenith
• Country of Origin: Suffolk, England
• Serial Number: FL2A
• Related Link: Link

Rheostat used as teaching apparatus. Manual slider marked 'Amps 1-2' and 'Ohms 220'.

Rheostat

• Manufacturer: Zenith
• Country of Origin: Suffolk, England
• Serial Number: FL2A
• Related Link: Link

Rheostat used as teaching apparatus. Manual slider marked 'Amps 2' and 'Ohms 28'. Broken at one end.

Rheostat

• Manufacturer:
• Country of Origin:
• Serial Number: FL2A

Rheostat used as teaching apparatus. Screw-operated slider. Hexagonal winding.

Rheostat

• Manufacturer: Philip Harris Ltd.
• Country of Origin: Birmingham, England
• Serial Number: FL2A

Rheostat with slider handle and curved steel frame.

Resistance Box

• Manufacturer: Baird & Tatlock Ltd.
• Country of Origin: London, England
• Serial Number: FL2D

Complete working order.

Resistance Boxes

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: FL2C

Identical pair plug type boxes: A complete. Labelled Supplied by T. H. Mason, 5 & 6 Dame Street, Dublin.

Resistance Box

• Manufacturer:
• Country of Origin:
• Serial Number: FL2D

In hardwood case, missing all four plugs.

Resistance Box

• Manufacturer:
• Country of Origin:
• Serial Number: FL2D

Hardwood board with coils beneath. Fine resistance wire on ebonite rod is broken.

Resistance Board

• Manufacturer:
• Country of Origin:
• Serial Number: SN17A

Homemade resistance board.

Resistance Box

• Manufacturer:
• Country of Origin:
• Serial Number: SN17A

High voltage, sealed resistance box.

High Voltage Resistance Coil

• Manufacturer:
• Country of Origin:
• Serial Number: SN17A

Wooden base, vertical support for coil. Sheathed in glass.

Resistance Box

• Manufacturer:
• Country of Origin:
• Serial Number: SN17C

Poor condition, glass top cracked. Label illegible.

Reversing Switch Circuit

• Manufacturer:
• Country of Origin:
• Serial Number: Attic

D.C. Low voltage reversing switch circuit. Switch connected, via series of capacitors, to small light bulb. All on painted white wooden base.

Reversing Switch Circuit

• Manufacturer:
• Country of Origin:
• Serial Number: Attic

A.C. High voltage reversing switch circuit. Switch connected via series of capacitors to terminal which held large light bulb. All on painted white wooden base.

Standard Wavemeter

• Manufacturer: H. W. Sullivan
• Country of Origin: London, England
• Serial Number: ST2B

Wooden box containing dials & terminals. '150 to 20,000 metres'.

Tangent Galvanometer

• Manufacturer: F. E. Becker & Co.
• Country of Origin: London, England
• Serial Number: SN16B/C

Wooden circular base with vertical brass coil holder with insulated coil. Each contain non-original compass by W. G. Pye & Co.

Tangent Galvanometer

• Manufacturer: W. G. Pye & Co.
• Country of Origin: Cambridge, England
• Serial Number: SN16C

Bakelite tripod base holding vertical coil holder with insulated coil. Also holds compass 664.

Tangent Galvanometer

• Manufacturer: Nalder Bros. & Co.
• Country of Origin: London, England
• Serial Number: ST2B

Wooden base with vertical brass loop with coil inside and out. Holds compass by W. G. Pye & Co. Ltd.

Thomson's Mirror Galvanometer

• Manufacturer: Elliot Bros.
• Country of Origin: London, England
• Serial Number: FL8.5D

Complete except for curved magnet & supporting rod for same.

Millivoltmeter

• Manufacturer: General Electric Co.
• Country of Origin: Coventry, England
• Serial Number: ST1B

Large demonstration instrument in hardwood case.

Voltmeter

• Manufacturer:
• Country of Origin:
• Serial Number: FL2B

Large (~8" diameter) copper cased instrument needle display. 0-80 V range. Market Stanley Patent.

Voltmeter

• Manufacturer: Weston
• Country of Origin: New Jersey, USA
• Serial Number: FL2B

Voltmeter on angled wooden support. Scale 0-15V D.C.

Voltmeter

• Manufacturer: Crompton Parkinson Limited
• Country of Origin: Leeds, England
• Serial Number: FL2B
• Related Link: Link

Voltmeter on angled wooden support. Scale 0-20 Volts.

Voltmeter

• Manufacturer: Mason; White Elec. Inst. Co. Ltd.
• Country of Origin: Dublin, Ireland; London, England
• Serial Number: FL2B

Voltmeter on angled wooden support. Scale 0-15 Volts.

Voltmeter

• Manufacturer:
• Country of Origin:
• Serial Number: FL2B

Voltmeter on angled wooden support. Two scales: 0-75, 0-7.5 V.

Voltmeter

• Manufacturer: Everett Edgcumbe
• Country of Origin: London, England
• Serial Number: FL2B
• Related Link: Link

2 1/2" diameter, letter 'E' printed on reverse. Scale 0-3500 Volts.

Voltmeter

• Manufacturer: Leeds & Northrup Co.
• Country of Origin: Minworth England
• Serial Number: FL2B
• Related Link: http://www.leedsandnorthrup.co.uk/

Bulky black plastic casing. Scale -10-+10 (units unclear).

Voltmeter

• Manufacturer: Sangamo Weston Ltd.
• Country of Origin: Middlesex, England
• Serial Number: FL2B
• Related Link: Link

Voltmeter on angled hardwood base. Model 551.

Voltmeter

• Manufacturer: Weir Electronics
• Country of Origin: Bognor Regis, England
• Serial Number: FL2C

Plug-in voltmeter, with steel handle. DV Meter 500 Mk III.

Wheatstone Bridge

• Manufacturer: Nalder Bros. & Co.
• Country of Origin: London, England
• Serial Number: SN9B

Complete in hardwood case. Formerly used for insulation testing.