Tablet Stone, Moretonhampstead & South Devon Railway
1924
model steam locomotive London, Brighton & South Coast Railway
1925
London & North Eastern Railway Steam Locomotive, 'Flying Scotsman'
1923
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Amplion loud speaker with wooden horn, 1925
1925
Loud speaker valve type L.S.5. W/T, 1923
1923
Replica of the first Morse telegraph, 1835
1934
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Novelty model
1955; 1830
Petrol locomotive
1925
Gold amulet in the form of a cobra
2000-100 BCE
Framed poster advocating vaccination against smallpox
1923
model locomotive, London & North Western Railway
1925
Freud electronic laughing ball
1990-96
Ceramic milk jug, London & North Eastern Railway
1924
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
No. I.T. Morse tape printer, 1925
1925
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Burndept Ultra IV wireless receiver, glass back No. 4798, 1923
1923
Portable thermometer screen
1925
Earth thermometer with bent stem, c. 1925.
1925
Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'
1930 (replica); 1834 (original)
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
Cossor Wurncell W.1 output triode valve (McVitie Weston valve collection), 1923
1923
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Neolithic flint scraper
4000-2001 BCE
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Savoy Hill 'Meat Safe' microphone stand
1923
Marconi-Sykes magnetophone
1923
Type C crystal radio receiver
circa 1925
Locomotive worksplate
1923
two-wire telephone repeater, 1923-1925
1923-1925
Six reproductions of drawings of atomic formulae by John Dalton
1925
Spectrum Films ltd booklet
1924
Booklet - Spectrum Colour Film Process
circa 1924
petrol engine
circa 1923
Photographs of: (1) Hargrave Flying Model Wing Action
1925
Prismatic Rings from Charles Francis Jenkins' Radiovisor mechanical television, 1923
1923
East Indian Railway locomotive model
1923
'Caerphilly Castle' Steam locomotive
1923
Gordon Dobson’s original ozone spectrograph
1924
Wooden backstaff or Davis quadrant made by John Gilbert on Tower Hill
1730; 1967
Single-channel telephone repeater
circa 1925
An arm for a right below elbow amputation
circa 1925
Harpenden pocket stadiometer sent out to Ludlow Boys' School as part of a series of nationwide measurements
1972-3
Metal left above knee prosthesis
1924
Electromagnetic device, Deprez signal time marker for use with kymograph
1924
Pendulum from the English Reifler escapement astronomical clock designed by E. T. Cottingham
1923-1925