Submarine repeater valve, 1950-1960
1950-1960
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
‘Visual glasses’ designed by Benjamin Martin
1756-1800
Thirty pair PVC insulated and sheathed armoured cable, 1933-1969
1933-1969
Thirty pair self supporting polythene telephone distribution cable, 1933-1969
1933-1969
Cock-feathered male Sebright Bantam
1914-1924
Hen-feathered male Sebright bantam
1914-1924
Steiff donkey on wheels
circa 1913
Two-hundred pair PVC insulated and armoured telephone cable, 1933-1969
1933-1969
Primax moving iron loudspeaker, 1924-1927
1924-1927
Mahogany board with round ends and two short brass pillars
1761
Set of thirteen spirit bubbles, Edinburgh, Scotland, 1801-1900
1801-1900
Beale-type microscope
1871-1900
Kastner's Pyrophone, 1873-1876
1873-1876
Kodak No 1 Camera
circa 1891
Durham Colliery mechanics band fabric badge
Pocket surgical instrument set, Germany, 1851-1900
1851-1900
McLeod's vacuum gauge (imperfect)
1880
Steiff Teddy Bear, 1905-1915
1905-1915
Microsystem 70 compound binocular phase contrast microscope
1965-1970
Open type liquid air vapour trap and vacuum pump mechanism display
1915-1925
Aron watt hour, clock type meter
Geometry set including set square belonging to Major J F Doelberg
circa 1900
Surgical instrument set
1771-1800
Pre-production model of a Howden HWP 300 Wind Turbine and Landrover
1980-1983
Prismatic Rings from Charles Francis Jenkins' Radiovisor mechanical television, 1923
1923
Weight for pantographer
Mokshapat Snakes and Ladders
2017
‘Sweet Pea’ design hand printing block
1980-2007
Patent Instantograph Camera
1888
Ilford Reflex Printer
1950
Apparatus for resuscitating the drowned, England, 1774-1800
1774-1800
Case for weight perception set
1893
Operating lamp
1940-1960
Hat worn by Sir William Mather Esq
1870-1900
ABC Wax dolphin design hand printing block
1908-2007
The City of London Freedom Scroll
2017
Optical opposite, British, 1840-1850
1840-1850
Brass framed reflecting circle.
1820-1825
Combined optical square & hand level, British, 1920-1926
1920-1926
Graphometer, British, 1851-1900
1851-1900
Double sounding sextant.
1845-1851
Henderson type surveying Alidade, British, 1893
1893
Adjustable crosshead, French, 1801-1830
1801-1830
Patent prismatic clinometer, British, 1810 -1826
1810-1826
Mercury-In-Glass Thermometer, 1761
1761
Corfield 66 Camera
1950
Semflex Twin-Lens Camera
1960
Hand block ‘Canoe Peak’ design
1908-2007
Rectangular wooden medicine chest with hinged lid and front-opening drawer
1831-1870