Siemens & Halske AG radio valve, 1884-1936
1884-1936
Siemens and Halske's ABC Telegraph used in Russia
1850-1897
Fechner's double sound pendulum for testing aural discrimination
1898-1908
Railway signalling bell by Siemens and Halske
Morning after contraceptive pills, Germany, 1986
1986
William Thomson's marine mirror galvanometer, 1850-1900
1854
Dissecting microscope, c. 1750
1745-1755
tongs for demonstrating double refraction using heat
1885
10 glass cubes for demonstrating double refraction
1885
Mondial hosiery repair machine
1945-1954
Cystoscopic periscope
1914
Speculum, rectal, Duke
1851-1900
Wash bottle for alcohol
1860-1876
Clinical thermometer
1891-1910
Medal commemorating Robert Koch, and his introduction of tuberculin in 1890
1892-1914
Sphygmomanometer and booklet
Reading microscope for Feuso goniometer
1880-1890
Saja tape recorder
1957
Pair of Trieder 'Porro' type prismatic opera glass binoculars (3 power & 12mm objective lenses)
1902-1924
First day special postal issue 12 August 1982
1982
Pair of prismatic field glass binoculars
1910-1926
Optical glass prism assembly from artillery range-finder
1900-1926
Lippich type Polarimeter, German, 1905-1914
1905-1914
Student microscope with drum base
1831-1870
Hofmann's apparatus for decomposing phosphuretted hydrogen
1876
Polarimeter
1895-1905
"Addiator" calculator with stylus and pencil
1924
"Quantotar Addiator" calculator for addition and substraction of British Weights
1924
Mignon typewriter
1905
Stereoscopic telescope, part sectioned
Helmholtz pendulum, Berlin, Germany, 1895-1910
1895-1910
'Fernglas 08' Galilean binoculars, in case
1908-1918
Apparatus for tesing the viscosity of glue
1914
Polarimeter by Schmidt & Haensch
1910-1920
Figure of Alexander Humboldt
1851
Aubert's Episcotister by E. Zimmerman
Red Cross dog collar, Berlin, Germany, 1914-1918
1914-1918
Chart recorder
Leipzig wheel with arms and contacts
Obstetrical forceps
1801-1900
Dental instrument set, Berlin, Germany, c. 1912-1918
1912-1918
Lockhart Mummery's sigmoidoscope
1905-1930
Bandage, wrapped in paper parcel
1916
Audi racing car
1935
View of streets from above
circa 1934
Interior of a Mercedes-Benz minibus
1933
Mercedes-Benz display
1935
Rear of a vehicle, painted with waves
1934
Prince Lobkowicz with a Bugatti
1932
C P Goerz Minicord camera
1953-1958