Dowsing 4-bulb electric fire by The Dowsing Radiant Heat Co. Ltd.
1901-1911
Dudley Adams
1796-1826
Watch movement with a quarter-repeating mechanism of early design by Thomas Tompion.
1680
Wireless World Diary, 1933
1933
Oil lamp base for Thomson mirror speaking galvanometer, 1858
1858
Pedometer by Spencer & Perkins
1775-1794
Bent Mercury Thermometer, 1850-1920
1836-1846
Ed Scarlett
1758-1763
Pocket terrestrial and celestial globe
1824
Edward Nairne
1748-1806
Pistol, Great Northern Railway
1840-1855
Samuel Whitford
1750-1789
Thomas Barnett
1789-1816
Xit 2A Camera
1898-1904
John Gilbert
1718-1750
Azimuth compass, British., 1760-1780
1760-1780
Double Gyroscope Apparatus, with components
1890
Trade card for James Ayscough, optician, London, England, 1749-1750
1749-1750
Henry Pyefinch
1765
Artificial bubble horizon
1905-1910
Box type pocket sextant.
1850-1880
Brass framed octant with case.
1794-1801
‘Epitome of Astronomy’ or ‘A Compendius View of Our Solar System’
1781-1800
Paget type surveyor's sextant.
1895-1903
Thomas Barnett
1789-1816
Ophthalmoscope, cased, by Arnold and Sons
Trade card: Benjamin Cole
1766-1782
John Cuff
1731-1770
Trade card for James Mann, optician, London, England, 1706-1756
1706-1756
Daily Herald Photograph: Pensioners at 10 Downing Street
1939-06-27
Eclipse Collapsible Bellows Camera
1890
Nathaniel Hill
1708-1764
Pedulum type artifical horizon.
1842-1849
Samuel Johnson
1745-1772
James Mann
1706-1756
Adjustable bimetallic thermostat by Sunvic Controls Ltd.
1900-1982
Christopher Stedman
1747-1760
William Brind
1753-1774
Castrating set
1837-1857
Surgical and dental instrument set
1889
Addenbrooke Shutter
Samuel Scatliff
1734-1764
Daily Herald Photograph: Gourd, pumpkin, marrow
1932-10-19
James Ayscough
1751
Pedometer, English, 1775-1794
1775-1794
pedometer, English, 1775-1806
1775-1806
Surveyor's cross head
1900-1929
Matthew Richardson
1737-1752
surveying compendium, British, 1870-1878
1870-1878
Cross-head, 1795-1805
1795-1805