Addac adding machine
1926
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Tablet Stone, Moretonhampstead & South Devon Railway
1924
model steam locomotive London, Brighton & South Coast Railway
1925
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
Replica of the first Morse telegraph, 1835
1934
Demonstration radio receiver
1926
Gold amulet in the form of a cobra
2000-100 BCE
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Novelty model
1955; 1830
Petrol locomotive
1925
model locomotive, London & North Western Railway
1925
Freud electronic laughing ball
1990-96
Ceramic milk jug, London & North Eastern Railway
1924
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
No. I.T. Morse tape printer, 1925
1925
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Kelvinator electric compression domestic refrigerator no 5534
1926
Loaded submarine telegraph cable, 1926
1926
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Neolithic flint scraper
4000-2001 BCE
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)
12"tenon saw by Spear & Jackson
1926
Cosmos DE.11 general-purpose triode valve (McVitie Weston valve collection), 1924
1924
Thorpe 4-electrode valve (McVitie Weston valve collection) 1924
1924
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
Flying Scotsman Australian tickets
1989-08
Type C crystal radio receiver
circa 1925
Six reproductions of drawings of atomic formulae by John Dalton
1925
Spectrum Films ltd booklet
1924
Booklet - Spectrum Colour Film Process
circa 1924
Photographs of: (1) Hargrave Flying Model Wing Action
1925
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
Lawaczeck Turbine Runner, 1925
1925
Plano-convex brick, Ubaid, Iraq, c 2500 BC.
2500 BCE
Artificial left leg, Roehampton, England, 1926
1926
Several straight suture needles
1950-1920
Philips triode, type 328, c.1925
1925
McVitie Weston valve collection, Mullard valve, type PM1DG
circa 1925
McVitie Weston valve collection, Marconi-Osram valve, type FE3
1924