Tested silicon steel bending strip
1884-1886
Print, steel engraving: Balloon of the Marquis D'Arlandes
1879
Tested silicon steel bending strip
1884-1886
Silicon steel bar fracture, 1.60% Si, 1884-1886
1884-1886
Silicon steel bar fracture, 2.69% Si, 1884-1886
1884-1886
Tested silicon steel bending strip
1884-1886
Tensile testbar
1882-1884
Specimen of steel produced by the Basic or Thomas Gilchrist process
1887
Silicon steel ingot fracture, 0.24% Si, 1884-1886
1882-1884
Specimen of steel produced by the Basic or Thomas Gilchrist process
1887
Drawing. [A German war balloon] / Schonberg
1892
Specimen of 10% ferro silicon, 1884-1886
1884-1886
Specimen of steel produced by the Basic or Thomas-Gilchrist process
1887
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
1:4 scale model of straw trusser for attaching to back of threshing machine
1882
Telephone receiver
1879
Telephone receiver 1881
1881
Ediswan 100V 8CP carbon filament lamp
1890
Reckenzaun's meter, 1888
1888
Vulcanite brooch in dark brown
1880
Brass saccharometer by R.B. Bate
1915-1825
Mobile cellular telephone (Motorola 'Flip Phone') model no. F09SQD8955AB
1990-95
Turnswitch with fuse (wire), c.1886 [lacks cover]
1886
Vertical contact switch, 1886
1886
Oulton-Edmundson electric meter, 1889 (No.507)
1889
Crompton solenoid operated lightning arrestor
1885
Ceiling rose
1880
Lampholder, porcelain, ship's saloon fitting
1892
Crompton 2 pin shuttered connector - 1891
1891
Model of A.C. meter in which a rotating field is produced by an electromagnet with "shaded" poles
1889
Adaptor, wood, for fitting a loop-type lamp into a bayonet holder
1890
Ediswan lampholder, with ceramic insulation, 1888
1888
Hartman and Braun ammeter no.9382 scaled 0-800A
1890
Siemens electro-dynamometer, c.1882
1882
Portable monaural stethoscope
1890
Uterine probe
1901-950
"AUR" Welsbach kern radiator gas-fire
1890
Ladies keyless watch with duplex escapement
1890
Swinton's microphonic telephone transmitter
1884
Experimental Watt hour meter
1882
Dr. Caliburces' apparatus, c.1890
1890
Evershed's Ohmmeter no.2
1889
Jump-minute pocket watch
1890
Sachse's model of space formulae for Benzene
1888
Clarke's patent electric gas lighter
1880
Two washers
15/7/27
Right, wide-opening split-hook for double arm amputee
circa 1890
Specimen of Porthcurno shore end cable
1887
Silicon steel bar fracture, 0.24% Si, 1884-1886
1884-1886
Specimen of 79% Fe-Mn, 1882-1884
1882-1884