speed recorder, North Eastern Railway
1891
EMI L2B Midget Audio Tape Recorder, 1957
1957
‘Scaffixer’ block: 1907, or 1910 Jones patent
1907-1910
Midwifery bag and steriliser
1940-1948
'Pneumostat' inhaler, London, England, 1934-1935
1934-1935
Standard gas flow meter
1890-1930
Post Office box wheatstone bridge for line and other resistance measurements
1891
Acetylene Gas Generator and Holder
circa 1930
Clay tobacco pipe
1750-1790
‘Scaffixer’ block: 1907, or 1910 Jones patent
1907-1910
Carhart Clark standard cell by Nalder Bros. & Co.
1902
Clark standard cell
Mercury total immersion nitrogen filled thermometer
1955-1969
‘Scaffixer’ block: 1907, or 1910 Jones patent
1907-1910
Profs. Ayrton and Perry standard inductance
Clark standard element (cell) no. 142
1872
‘Scaffixer’ block: 1907, or 1910 Jones patent
1907-1910
Daily Herald Photograph: Princess Elizabeth at Coronation concert
1937-04-03
Model of the sailing trawler 'Frank Buckland'
1890-1914
Standard capacitance box
1880-1894
‘Scaffixer’ block: 1907, or 1910 Jones patent
1907-1910
Clark standard cell no. 1297 by Nalder Brothers and Co.
Standard capacitor
1890
Photograph of radium teletherapy apparatus
1930-1931
Experimental wet gas meter
Moving-magnet mirror galvanometer no. 5685
Chain tie
1907-1910
Daily Herald Photograph: Tithe War
1936
Pair of Clark standard cells in one case
Vertical support for mounting a street lamp fitting
1934-1939
Ring hex spanner
1907-1910
Scaffold pole short length
1907-1910
Hydrometer for measuring densities of liquids
circa 1850
Daily Herald Photograph: London Allotments and Gardens' Show
1934-08
Armistice Day Field of Remembrance
12 November 1934
Daily Herald Photograph: Steeplejack suspended from a mast
Chain tie
1907-1910
Ayrton & Perry's secohmeter
Portable testing set with galvanometer
Standard condenser no. 30510
1911
Mercury total immersion thermometer
1955-1969
Daily Herald Photograph: London Allotments and Gardens' Show
1933-09-01
Daily Herald Photograph: Petitioning for pensions
1939-07-27
Cuff's recorder magnetometer
Wet Gas Test Meter for Measuring Rate of Gas Consumption by William Sugg
1850
Pair of Clark standard cells in one case
Mercury total immersion nitrogen filled thermometer
1955-1969
Daily Herald Photograph: Tithe War
1936
Daily Herald Photograph: Wood dumps for emergency fuel
1945-02-13
Daily Herald Photograph: Tithe War
1936