Walther Nernst Museum


University of Göttingen
Physicochemical Institute
Tammannstr. 6
D-37077 Göttingen

E-Mail: uschmit@gwdg.de (Ulrich Schmitt)


Collection (examples)

hb26780_small.jpg (23 KB) Voltmeter

Hartmann & Braun, Frankfurt. Dated 1896.

Moving soft iron core type.

Range 0 - 25 V.

Ser. no. 26780.

electrometer.jpg (15 KB)

Quadrant electrometer

Georg Bartels, Göttingen. Dated c. 1900.

Sensitivity 10 µV.

F. Dolezalek and W. Nernst, Z. Elektrochem. 3 (1896) 1
F. Dolezalek, Z. Instr. 17 (1897) 65 and 21 (1901) 345

ammeter-nernst.jpg (61 KB) Ammeter

Dr. Th. Horn, Grosszschocher, Leipzig. Dated c. 1900.
Range -25 ... +25 A.
Signature of Nernst engraved on cover glass.

Ser. no. 6809 and 15.
Diameter 130 mm, height 50 mm, weight 1.3 kg.

bridge.jpg (43 KB) Decade resistance box

Siemens & Halske. Dated c. 1900.

Precision Manganin resistors, 2 watt.

Ser. no. 3095095. Notgemeinschaft der Deutschen Wissenschaft No. 16525.

wattmeter.jpg (22 KB)

Wattmeter

Weston Electrical Instrument Co., Newark. Dated 1898.

Electrodynamical principle (moving coil inside a fixed coil).

Range 150 watt (max. 150 V, 2 A).

No. 718.

hb183836_small.jpg (22 KB)

Voltmeter

Hartmann & Braun, Frankfurt. Dated 1906.

Moving coil type.

Triple range -1 ... +1 V, -3 ... +3 V and -5 ... +5 V.

Ser. no. 183836.

voltmeter2.jpg (38 KB)

Voltmeter

Moving soft iron core type. Dated c. 1900.

Range 0 - 100 V. Resistance 1000 ohm.

galvanometer_erg.jpg (16 KB)

Galvanometer

ERG Gebr. Ruhstrat A.G., Göttingen. Dated c. 1900.

Moving coil type.

Range -20° ... 20°; 1° = 0.17 µA. Resistance 1100 ohm.

Ser. no. 54291.

hb1481725_small.jpg (19 KB)

Mirror galvanometer

Hartmann & Braun, Frankfurt. Dated 1938.

Model "Mirravi".

Range -30 ... +30 µV, 1 mm/m = 22 nA, resistance 70 ohm.

Ser. no. 1481725.

hb2437875_small.jpg (21 KB) Resistance thermometer

Hartmann & Braun, Frankfurt. Dated 1951.

For Pt100 sensor.

Dual range: 0 ... 300°C, -200 ... 0°C.

Ser. no. 2437875.

hb2488368_small.jpg (22 KB)

Millivoltmeter

Hartmann & Braun, Frankfurt. Dated 1952.

Dual range: 8 mV, 30 mV.

Ser. no. 2488368.

spectrograph_steinheil.jpg (30 KB)  

Spectrograph

C. A. Steinheil Söhne, München. Dated c. 1910.

Grating spectrograph.

Ser. no. 36931, 36940, 38272 (on lens mounts).

spectrograph_hilger.jpg (22 KB) Spectrograph

Adam Hilger, London. Dated c. 1930.

Quartz prism spectrograph. Length 141 cm.

Spectra are recorded on photographic plates 4 ×10 inch (10 ×25 cm), e. g., Gevaert Scientia 67A50 no. 53072C.

Balance (Sartorius)

Analytical balance

Florenz Sartorius, Göttingen. Dated c. 1900.

Model 1888.

Triangular beam, length 14 cm. With displacement of the rider.

Capacity 200 g, sensitivity 0.2 mg.

Ser. no. 3170.

Balance (Kaiser & Sievers). Click for large picture

Analytical balance

Kaiser & Sievers, Hamburg

With displacement of the rider and air damping.

Capacity 100 g, sensitivity 0.1 mg.

Ser. no. CD02 1872

Galilei thermometer. Click for large picture Galilei thermometer

For liquid air.

8 glass spheres, diameter 18 mm, labeled -192,5°C ... -185,5°C in steps of 1°C.

Liquid nitrogen: bp. 77 K (-196°C), density 0.81 g/cm³.
Liquid oxygen: bp. 90 K (-183°C), density 1.14 g/cm³.

whistle.jpg (21 KB) Galton whistle

Edelmann, München. Dated c. 1910.

madas20.jpg (104 KB) Mechanical calculator

H. W. Egli, Zürich. Dated c. 1950.

Model MADAS 20. Mechanical, electrically driven, stepped-gear calculator. Addition, subtraction, multiplication, division.

aristo.jpg (77 KB) Slide rule

ARISTO-Werke Dennert & Pape KG, Hamburg. Dated c. 1960.

Model ARISTO Scholar 0903 VS-2.

Ser. no. 3FL79.

Click for large picture Nernst glower

Ernst Leitz GmbH, Wetzlar. Dated c. 1960.
Light source for infrared spectrometer; closely related to Nernst lamp.
Length 45 mm, diameter 2.7 mm. Voltage 90 V, current 1 A, temperature 1800 K.
Model no. 615172.

bosch0258001051.jpg (28 KB) Lambda sensor

Robert Bosch GmbH. Dated c. 1985.
Exhaust gas oxygen sensor for cars with gasoline engine and three-way catalyst.
Sensor operation is based on the Nernst equation (galvanic oxygen concentration cell).

Model no. 0258001051. Used sensor after c. 70000 km.

Exhibition

Das Göttinger Nobelpreiswunder - 100 Jahre Nobelpreis, Göttingen, June 28 - October 27, 2002

Links

Museum der Göttinger Chemie

Deutsches Museum

Deutsches Technikmuseum Berlin (Nernst lamp, AEG historical archive)

Landesmuseum Mannheim (Nernst lamp (link 1), Nernst lamp (link 2))

Museum für Energiegeschichte (Nernst lamp)


Walther Nernst homepage


Revised 2005-08-03