Beyer-Garratt South African Railways Locomotive
1929
Mousetrap Camera
1834-1836
Radium teletherapy apparatus, the radium 'bomb'
1925-1930
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Petrol locomotive
1925
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Freud electronic laughing ball
1990-96
Replica of the first Morse telegraph, 1835
1934
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Siemens Neophone telephone, 1929
1929
Elm Street Mill Cross-Compound Steam Engine
1926
Model steam locomotive LMS 'Royal Scot'
1927
Model of Great Central Railway "Atlantic" Express Locomotive
1903 (original); 1982 (model)
Amplion loud speaker with wooden horn, 1925
1925
Gold amulet in the form of a cobra
2000-100 BCE
Neolithic flint scraper
4000-2001 BCE
Replica of Morse's second model of telegraphy apparatus, 1934
1934
Earth thermometer with bent stem, c. 1925.
1925
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Addac adding machine
1926
Marconi-Reisz 'Marble' Microphone
1927-30
Novelty model
1955; 1830
Thomas Lewis’ electrocardiograph
1930
Novelty crystal radio set, 1925-1930
1925-1930
Vaccination set, London, England, 1925-1928
1925-1928
Portable thermometer screen
1925
Selector super portable broadcast receiver, 1925-1930
1925-1930
Infant death rate and income
1926-1928
Train indicator board, Great Western Railway
1930
Chain of Office
1927
Demonstration radio receiver
1926
Self-winding wristwatch by John Harwood
1928
Mullard pure music cone loud speaker
1928
Loaded submarine telegraph cable, 1926
1926
Oil Filter
1930
cane presented to Mr. Sidney Foreman for his first-aid work at the Charfield railway disaster
1924
Ivory model of a skull on wooden pedestal
before 1928
Hydraulic Pipe
1925
Medicinal water from La Esquirette
1928
Tennis Racquet from ca. 1927.
circa 1927
Neveroil Roller Bearing axlebox for light railway truck
1930
Replica Grand Junction Railway travelling post office
1938; (1838)
First aid kit in aluminium case
1928-1930
Head dressing in cardboard box
1928-1930
Steel compass plane, for wood-working
1925
Paper wrapped wire splint
1928-1930
Mirrlees, Bickerton & Day Diesel Engine
1927
Roving frame
1927
Vitaphone disc for sound film 'Sunny' (1930, USA)
1930
Director switching device, 1927
1927