Sector signed John Allen
1630-1642
Pocket microscope by Jeremiah Sisson
1752
Cylinder watch in pinchbeck inner case
Surveyor's Level by Joseph Jackson
1735-60
Surveyor's pocket sextant.
1795-1805
Phrenological head
1821
Stained plaster phrenological bust
1821
Drawing of Gass Works
1812
Richard Hornsby
1858
The Tunnel
1831
Azimuth variation compass, British, 1722-1747
1722-1747
Steward patent telemeter
1908-1912
Sledge-meter used on the Terra Nova Expedition, 1900-1910
1900-1910
Watkin type clinometer, British, 1895
1895
Apothecaries scales with glass pan and steel beam
1880-1940
Thermometer, glass, Fahrenheit
1801-1900
Pocket-sized spectroscope, cased, by John Browning
Hypsometer with carrying case by Elliott Brothers
1831-1870
Two coloured aquatints of hobby horses
1819
Precision Balance, in mahogany and glass case
1788
Ear trumpet
1850-1900
Transit telescope
1770
Patent telemeter, British, 1910-1920
1910-1920
Patent prismatic clinometer, British, 1810 -1826
1810-1826
Improved Patent Portable Theodolite
1818-1826
Pocket alarm watch in pinchbeck case
1771-1800
Set of paint brushes & paint, British, 1875-1901
1875-1901
Mahogany and brass octant.
1770-1776
Hollow square pyramid
1833-1851
Car clock
1906
Disc Planisphere
1750-1775
Herbert-Smith type range-finder, British, 1912-1916
1912-1918
Lovely Llandudno
circa 1910
Matthew Boulton
1812
Altazimuth theodolite, British, 1725-1747
1725-1747
Box type pocket sextant.
1845-1855
Boxfoot botanic microscope by Banks
1790-1810
Scarificator with four lancets
1860
Amputation saw, London, England, 1823-1829
1823-1829
Prismatic compass & clinometer, British, 1801-1830
1801-1830
Circular watch by William Crayle in the Strand
circa 1660
Brass quadrant with stand and case.
1771
Prismatic magnetic compass, British, 1810-1826
1810-1826
Prismatic magnetic compass, British, 1810-1826
1810-1826
Coaches &c, Employed on the Railway
1831
Optical square for use with telemeter, British, 1904-1911
1904-1911
Plaster phrenological bust, London, England, 1821
1821
Tree height measurer, British, 1945-1948
1945-1948
Abney level & clinometer, English, 1875-1885
1875-1885
Cavalry Survey Sketching Board, 1891-1900
1891-1900