Demainbray's turquoise disc
1745-1755
Demainbray's yellow disc
1745-1755
Demainbray's convex lens
1750
Electrical chimes by George Adams
1781-1790
Demainbray's model scorpion catapult
1745-1755
Boxwood human torso showing internal organs
1800-1920
Vaginal speculum
1801-1850
Demainbray's scioptric ball
1745-1755
Beam compass by George Adams
1775-1795
Statue depicting the dance of death
Tobacco jar in the shape of a skull
1701-1800
Pounce Sprinkler
Lens polisher
Counting machine
Balance beam, steel, boxwood
1745-1755
Hicks patent mercurial minimum thermometer with brass sliding scale
1861
Spirit thermometer by Pastorelli
1849
11-Inch cattle gauging slide rule patented by G.H. Meire
1820-1880
Gunter's scale, early example, boxwood, 2' long
Apparatus to demonstrate the thermal expansion of liquids, mid 19th century.
1831-1870
Vaginal speculum
1851-1900
Cylindrical electrical machine
Harris's balance electrometer, 1840-74.
1840-1874
Whistle
Multiplying wheel with a square axle hole
Zwanke's stem pessary
1851-1900
Turned boxwood massage ball in wooden socket
1801-1900
Powder box
1801-1900
Pessary, supportive, ring, boxwood, 1870-1930
1870-1930
Pessary, supportive, boxwood, oviform 1870-1930
1870-1930
Pessary, supportive, boxwood, oviform, 1870-1930
1870-1930
Pessary, supportive, boxwood, oviform, 1870-1930
1870-1930
Zwanke's stem pessary
1851-1900
Mouth gag, screw design, boxwood
Empty wooden container
1801-1900
Boxwood snuff box
1850-1900
Rope maker's
Empty wooden container
11-Inch slide rule
1800-1900
Six inch boxwood sector by Holtzapffel & Co.
Hatter's rule
1835-1862
Pair of coloured glass discs, 1750.
1745-1755
Hewitt's mouth wedge
1890-1935
Bryant-type urethral dilator
1871-1900
Wooden perfume bottle
1701-1800
Box wood pomander
Terrestrial refracting telescope
1700-1750
Carpenter's slide rule
1861-1910
European horary quadrant, 1650-1725
1650-1725
Double folding boxwood foot rule, calliper with vernier scale one end
1900-1920