Ready reckoner for ship's cargoes
1807
Demainbray's cometarium
1750-1760
Architect's drawing instruments
Hughes microphone detector, 1865-1875
1865-1875
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Slide rule by Robert Bissaker
1654
Sundial making tool
1690-1710
Model of Vauloue's piledriver
1737-1752
Napier's Bones
1690
Builder's whole, rigged model, of SS 'Great Eastern', 1853-1857
1853-1857
Box of sixty boxwood calculating rods
1690-1710
Improved hydrometer with four weights
1815-1825
Nocturnal boxwood and brass
1702
Rectangular reclining sundial
1592
Surveyor's plane table outfit, 1881-1890
1881-1890
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
Improved saccharometer
1825-1835
Reproduction in boxwood, "Dr Black 1808 Scr."
1807
Boxwood copy of Trafalgar medal
1805-1819
Small piece of boxwood
1790-1819
Wollaston-type optometer
1825-1835
Drawing scale, boxwood
1790-1819
Boxwood fathom marker
1876
Boxwood fathom marker
1876
Improved Callendar and Griffiths Resistance Bridge, 1850-1900
1850-1900
Lefebvre type clitograph, French, 1862
1862
Cavalry sketching board, 1910
1910
Slide rule, Thomson's patent
Botanical model
1875-1900
Botanical model
1875-1900
Original 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
Dines-type anemometer display, 1892-1900
1892-1900
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
Distance Meter for Plane Table, 1765-1775
1765-1775
Refracting terrestrial telescope by Mann & Ayscough
1740-1750
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
Engineer's slide rule, boxwood
1790-1819