Ready reckoner for ship's cargoes
1807
Demainbray's cometarium
1750-1760
Architect's drawing instruments
Sundial making tool
1690-1710
Hughes microphone detector, 1865-1875
1865-1875
Model of Vauloue's piledriver
1737-1752
Refracting telescope with achromatic lens, made by the Dollond family
1760-1775
Slide rule by Robert Bissaker
1654
Napier's Bones
1690
Builder's whole, rigged model, of SS 'Great Eastern', 1853-1857
1853-1857
Reproduction in boxwood, "Dr Black 1808 Scr."
1807
Boxwood copy of Trafalgar medal
1805-1819
Small piece of boxwood
1790-1819
Improved Callendar and Griffiths Resistance Bridge, 1850-1900
1850-1900
Wollaston-type optometer
1825-1835
Power loom shuttle, 1858-1862
1858-1862
Weaving power loom shuttle
1858-1862
Power loom shuttle, 1858-1862
1858-1862
Rectangular reclining sundial
1592
Slide rule, Thomson's patent
Botanical model
1875-1900
Botanical model
1875-1900
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
Nocturnal boxwood and brass
1702
Mercury-in-glass thermometer in wooden case
1850-1924
Early Platinum Electrical Resistance Thermometer, 1871-1890
1871-1890
Caliper stringing gauge
Boxwood fathom marker
1876
Boxwood fathom marker
1876
Distance Meter for Plane Table, 1765-1775
1765-1775
Drawing scale, boxwood
1790-1819
Engineer's slide rule, boxwood
1790-1819
Leather and boxwood spyglass telescope.
1680-1750
Surveyor's plane table outfit, 1881-1890
1881-1890
Gilt customs and excise standard no 1 (Sikes) hydrometer by J J Hicks
1870-1930
Lefebvre type clitograph, French, 1862
1862
Turned massage ball encased in turned socket
1801-1900
Folding Rule
1875-1885
Agnew's Patent Slide Rule
1913
Magic lantern slide: Man eating rat
1850-1910
Half-block model
1810-1830
Reproduction in wood, Dr Joseph Black
1809
Reproduction in boxwood, featuring male bust
1807
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