Cammann type binaural stethoscope
1845-1855
Aesthesiometer, Sieveking, brass and nickel
1856-1900
Chinese Incense Clock
1600-1950
Apollo fuel cell power plant
1972
Pince-Nez Glasses
1880-1900
Eastman Studio Scale
1890-1910
True-course finder
1876
Galton's inaudible whistle.
Hollow cylindrical urethral sound
1831-1930
Analytical Weights Set
1880-1910
India pattern clinometer, British, 1924
1924
Casartelli Portable Yarn Balance
1925
Pair of plastic framed eye-patch spectacles with blanked-out lens
1950-1960
Analytical Weights Set
1870-1920
Scale model of Herbst-type dough mixer, 1910-1916
1910-1916
Pedometer, Payne type, British, 1835-1845
1835-1845
Hydrometer (Pese sirops Beaume) in wooden case
Contact goniometer by R. Fuess
1885
Bone gouge by J. and W. Wood
1833-1881
Brass protractor, German, 1905-1914
1905-1914
Oleometer in box
Polymeter plane table alidade, 1873-1876
1873-1876
Sigsbee waterbottle
1875-1885
Surveyor's chain with thermometer and spirit level, 1860-1890
1860-1890
Chemist's Scale
1890-1910
Analytical Weights
1880-1900
Crimp Tester
1930-1935
Cylindrical bladder sound
1781-1880
Pair of round-rim metal spectacles with wire arms
1910-1930
Pair of round-rim plastic spectacle frames
1900-1930
Micrometer
1900-1910
Nickel-silver salinometer
4lb Boxed Bread Scale
1905-1910
Lithotomy trephine with adjustable jaws and perforated sliding on ratchet mechanism through cylinder
1751-1890
Detachable clip-on blue sunglass lenses
1860-1910
Analytical Weights
1880-1900
Micrometer
1900-1910
Spectacles
1935-1940
Pair of round-rim metal spectacle frames with wire arms
1910-1930
Part of complete Steward telemeter
1895-1930
Pair of round-rim metal spectacles with wire arms
1910-1930
Microscope Lamp
1845-1855
Electromedical Instrument
1890-1910
Yarn Scale Case
1900
Female catheter with detachable drainage head and hollow insert on screw thread
1801-1900
Loom Gauges
1940-1945
Bifocal nose spectacles with octagonal frames
1890-1910
Herbert-Smith type range-finder, British, 1912-1916
1912-1918
Pair of plastic tear-drop shaped spectacles frames
1950-1960
Part of folding clinometer rule, German, 1855-1865
1855-1865