Ready reckoner for ship's cargoes
1807
Demainbray's cometarium
1750-1760
Napier's Bones
1690
Architect's drawing instruments
Builder's whole, rigged model, of SS 'Great Eastern', 1853-1857
1853-1857
Hughes microphone detector, 1865-1875
1865-1875
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Sundial making tool
1690-1710
Slide rule by Robert Bissaker
1654
Model of Vauloue's piledriver
1737-1752
Box of sixty boxwood calculating rods
1690-1710
eights and mercury thermometer from the Castlereagh Collection for Constantinople (Turkey), and original correspondence for Constantinople and Iona
1800-1818
Cook Slide Rule
1825-1834
Ronchetti linear slide rule
circa 1847
Improved Patent Magneto Electric Machine for nervous diseases
1862
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
Small piece of boxwood
1790-1819
Boxwood fathom marker
1876
Boxwood fathom marker
1876
Original Callendar and Griffiths Resistance Bridge, 1850-1900
1850-1900
Improved Callendar and Griffiths Resistance Bridge, 1850-1900
1850-1900
New Improved' universal compound microscope with fitted mahogany case
1785-1795
Terrestrial hand telescope
1675-1685
Maximum Mercury and Minimum Alcohol Thermometer by J.J. Griffin & Sons, 1880
1880
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
Timber Slide Rule
1789-1810
C. Hoare's pocket plate and bar slide rule
Boxwood sector (6-inch) by W.F Stanley & Company
1876
Refracting terrestrial telescope by Mann & Ayscough
1740-1750
Wollaston-type optometer
1825-1835
Beam compasses
1876
Textile printing block of irregular shape
1750-1830
Textile printing block
1750-1830
Irregular shaped textile printing block
1750-1830
Narrow rectangular Textile printing block
1800-1825
Drawing scale, boxwood
1790-1819
Engineer's slide rule, boxwood
1790-1819
Brass Quin's saccharometer
1801-1830
Leather and boxwood spyglass telescope.
1680-1750
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
Winding handle for spindle moulder
1791-3