Cammann type binaural stethoscope
1845-1855
Chinese Incense Clock
1600-1950
Pair of Trieder 'Porro' type prismatic opera glass binoculars (3 power & 12mm objective lenses)
1902-1924
Micrometer
1900-1910
Microscope Lamp
1845-1855
India pattern clinometer, British, 1924
1924
Herbert-Smith type range-finder, British, 1912-1916
1912-1918
Casartelli Portable Yarn Balance
1925
Nickel-silver salinometer
Pair of round lens spectacles with wire arms
1860-1910
Pair of round-rim metal spectacles with wire arms
1910-1930
Pair of round-rim metal spectacle frames with wire arms
1910-1930
Bifocal nose spectacles with octagonal frames
1890-1910
Oleometer in box
Apollo fuel cell power plant
1972
Surveyor's chain with thermometer and spirit level, 1860-1890
1860-1890
Scale model of Herbst-type dough mixer, 1910-1916
1910-1916
Pince-Nez Glasses
1880-1900
Eastman Studio Scale
1890-1910
Analytical Weights
1880-1900
Analytical Weights Set
1870-1920
Brass protractor, German, 1905-1914
1905-1914
Spectacles
1935-1940
Loom Gauges
1940-1945
Contact goniometer by R. Fuess
1885
Hollow cylindrical urethral sound
1831-1930
Travelling Mercury Thermometer by Pastorelli & Co., 1875
1875
True-course finder
1876
Bone gouge by J. and W. Wood
1833-1881
Pair of plastic framed eye-patch spectacles with blanked-out lens
1950-1960
Pair of round-rim metal spectacles with wire arms
1910-1930
Pair of round-rim plastic spectacle frames
1900-1930
Detachable clip-on blue sunglass lenses
1860-1910
Pair of plastic tear-drop shaped spectacles frames
1950-1960
Crimp Tester
1930-1935
4lb Boxed Bread Scale
1905-1910
Micrometer
1900-1910
Galton's inaudible whistle.
Lithotomy trephine with adjustable jaws and perforated sliding on ratchet mechanism through cylinder
1751-1890
Female catheter with detachable drainage head and hollow insert on screw thread
1801-1900
Cylindrical bladder sound
1781-1880
Chemist's Scale
1890-1910
Hydrometer (Pese sirops Beaume) in wooden case
Polymeter plane table alidade, 1873-1876
1873-1876
Sigsbee waterbottle
1875-1885
Part of complete Steward telemeter
1895-1930
Yarn Scale Case
1900
Analytical Weights
1880-1900
Analytical Weights Set
1880-1910
Pedometer, Payne type, British, 1835-1845
1835-1845