Napier's Bones
1690
Builder's whole, rigged model, of SS 'Great Eastern', 1853-1857
1853-1857
Ready reckoner for ship's cargoes
1807
Demainbray's cometarium
1750-1760
Architect's drawing instruments
Sundial making tool
1690-1710
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Slide rule by Robert Bissaker
1654
Model of Vauloue's piledriver
1737-1752
Hughes microphone detector, 1865-1875
1865-1875
Small piece of boxwood
1790-1819
Improved Callendar and Griffiths Resistance Bridge, 1850-1900
1850-1900
Wollaston-type optometer
1825-1835
Drawing scale, boxwood
1790-1819
Engineer's slide rule, boxwood
1790-1819
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
Box of sixty boxwood calculating rods
1690-1710
Lefebvre type clitograph, French, 1862
1862
Rectangular reclining sundial
1592
Slide rule, Thomson's patent
Leather and boxwood spyglass telescope.
1680-1750
One of ten specimen examples of ornamental turning
1890-1913
One of ten specimen examples of ornamental turning
1890-1913
One of ten specimen examples of ornamental turning
1890-1913
One of ten specimen examples of ornamental turning
1890-1913
Mercury-in-glass thermometer in wooden case
1850-1924
Early Platinum Electrical Resistance Thermometer, 1871-1890
1871-1890
Turned massage ball encased in turned socket
1801-1900
Distance Meter for Plane Table, 1765-1775
1765-1775
eights and mercury thermometer from the Castlereagh Collection for Constantinople (Turkey), and original correspondence for Constantinople and Iona
1800-1818
Improved Patent Magneto Electric Machine for nervous diseases
1862
Cook Slide Rule
1825-1834
Ronchetti linear slide rule
circa 1847
Magic lantern slide: Man eating rat
1850-1910
Caliper stringing gauge
Reproduction in wood, Dr Joseph Black
1809
Reproduction in boxwood, "Dr Black 1808 Scr."
1807
Reproduction in boxwood, featuring male bust
1807
Boxwood copy of Trafalgar medal
1805-1819
Boxwood fathom marker
1876
Boxwood fathom marker
1876
Original Callendar and Griffiths Resistance Bridge, 1850-1900
1850-1900
New Improved' universal compound microscope with fitted mahogany case
1785-1795
Maximum Mercury and Minimum Alcohol Thermometer by J.J. Griffin & Sons, 1880
1880
Terrestrial hand telescope
1675-1685
Refracting terrestrial telescope
1700-1705
Wood engraved block, 1867-1900
1867-1900
Boxwood Harrow Mark Reducer slide rule by E.S.A.
Slide rule for interest calculations
1824
Four foot gauging rule
1804-1844