Set 30 stereoscopic cards illustrating stereometry and spherical trigonometry
1870-1876
Set of 46 stereoscopic cards illustrating crystallography
1876
Stereoscope, wood
1876
Aneroid barometer by Kruss, 1884.
1884
Adjustable Reed, German, of World War II Vintage.
Petzval Portrait Type Lens F.4
circa 1880
Demonstration Body of Contax AX Camera, 1996
1996
20 Telefunken Teldec video disc, c 1975
1970-1980
Muller X-ray Tube
1896-1906
Hiller M59 Capacitor Microphone
1953-1955
Minifon type P55 wire recorder, 1955-1965
1955-1965
Rietz 109 Aristo slide rule 20-Inch
1970-1975
Piccolo 816 Aristo slide rule 4-inch
1970-1975
Studio 01068 Aristo slide rule 20-Inch
1970-1975
Darmstadt 1067U Aristo slide rule 20-Inch
1970-1975
Aristo-Commerz III 623 circular slide rule and calculator
1970-1975
Aristo 630 Chemie circular slide rule and calculator
1970-1975
Aristo 10076 chemist conversion ready reckoning rule for temperature
1970-1975
VALVO X4123
Slide rule for ferro-concrete calculations
1973
Minifon model P55 dictating machine with accessories, 1955-1965
1955-1965
Guhl's Pencil Pointer, 1905
1905
'Cox's Record' gas X-Ray tube with separate anode, by C.F.H. Muller
1896
AviatJet 647 Aristo Air Navigation Computer.
1970-1975
Hammer dosimeter No. 2008 by C. H. F. Muller
1920-1949
Double focus berryllium window x-ray tube (sectioned)
1987
10-Inch Commerz Junior 0907 Aristo slide rule from the 1973 catalogue
1970-1975
10-Inch JuniorTrig 0902 Aristo slide rule from the 1974 catalogue
1970-1875
10-Inch StudioLog 0969 Aristo slide rule from the 1973 catalogue
1970-1975
5-Inch MultiLog 870 Aristo slide rule from the 1973 catalogue
1970-1975
5-Inch Reitz 89E Aristo slide rule from the 1973 catalogue
1970-1975
10-Inch Studio 0968/400g Aristo slide rule from the 1973 catalogue
1970-1975
10-Inch Darmstadt 967 Aristo slide rule from the 1973 catalogue
1970-1975
10-Inch Surveyor Aristo slide rule
1970-1975
X-ray tube with separate anode
1900-1909
X-ray tube with separate anode
1905-1909
X-ray tube with separate anode
1900-1909
10-Inch Junior 0901 Aristo slide rule from the 1973 catalogue
1970-1975
5-Inch Darmstadt 867U/400g Aristo slide rule from the 1973 catalogue
1970-1975
5-Inch Studio 868 Aristo slide rule from the 1973 catalogue
1970-1975
5-Inch Commerz 845 Aristo slide rule from the 1973 catalogue
1970-1975
10-Inch HyperLog 0972 Aristo slide rule from the 1973 catalogue
1970-1975
10-Inch Rietz 99E Aristo slide rule from the 1973 catalogue
1970-1975
10-Inch MultiRietz 0929E Aristo slide rule from the 1973 catalogue
1970-1975
Minifon P55 "S" magnetic wire dictating machine, 1959
1959
Model of hull fast ferry 'SUPERFAST III'
1999
First Aid kit used by pilots in the First World War, Germany, 1910-1914
1910-1918
Mathematical sector, British, 1813-1839
1813-1839
Assmann psychrometer by Friedrichs & Co
1950-1960
Clockwork psychrometer
1935-1945