Several instruments in the Collection are of historical and scientific significance. Here is a selection.
Hair hygrometer
(H.-B. de Saussure)
325 X 97 x 20 mm
Display case BSP-EX, Inv. 603.1018
“Polaristrobometer”
(fringe polarimeter after H. Wild)
between 1868 and 1881
Length: 510mm, Height: 300mm,
ø 122,5 (graduated circle)
Display case 11, Inv. 603.867
Polar planimeter (Amsler Type 3)
between 1865 and 1870
273 x 50 x 35 mm (box)
Display case 14, Inv. 603.816
Macro-analysis substitution balance
(Mettler B5)
between 1950 and 1965
270 x 500 x 460 mm
Display case BSP-EX, Inv. 603.740
Hipp Chronoscope
260 x 210 x 595 mm
Display case 14, Inv. 603.182
Laboratory electromagnet
(after Prof. P. Weiss)
between 1907 and 1923
Magnet 500 x 350 x 550 mm,
ø poles 90mm, ø coils 300mm
Display case 04, Inv. 603.198
Harvey harmonic analyzer
between 1939 and 1945
Analyser box : 53 x 38 x 10 cm
Ruler : 750 mm
Display case BSP-EX, Inv. 603.980
Integraph “System Abdank-Abakanowicz”
(large model)
between 1899 and 1902
Wooden box approx. 80 x 43 x 16,5 cm
Weight 11 kg
Display case BSP-EX, Inv. 603.981
Large induction coil
(Ruhmkorff coil)
between 1900 and 1903
1500 x 570 x 1330 mm
Display case 4, Inv. 603.199
Helmholtz double siren
3rd quarter 19th c.
450 x 245 x 470 mm
Physics Laboratory
Display case 08, Inv. 603.192
Piezo-Quartz by Pierre Curie
between 1890 and 1914
Height: 600 mm, square base: 265 mm
Display case 07, Inv. 603.153
Achromatic prism
between 1760 and 1780
Folded : 44 x 23 x 17 mm
Physics Laboratory
Display case 09/2, Inv. 603.094
Used to dissociate a beam of white light into a colored spectrum
Duboscq colorimeter
between 1879 and 1882
Base 21,7 x 14,5 x 5,8 cm,
Total height 41 cm
Display case 09, Inv. 603.843
Regnier dynamometer
Length of the spring 310 mm,
385 x 320 x 120 mm (case)
Display case 11/3, Inv. 603.162