Addac adding machine
1926
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
'Jason I', de Havilland DH.60G Gipsy Moth
1928
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Two-valve short wave radio - telephonic receiver, 1927
1927
Loud speaker valve type L.S.5. W/T, 1923
1923
Goddard combustion chamber top
circa 1927
Chain of Office
1927
Roving frame
1927
Petrol locomotive
1925
Brownie crystal receiver and pair of Lissen headphones, 1924-1927
1924-1927
model steam locomotive London, Brighton & South Coast Railway
1925
Model steam locomotive LMS 'Royal Scot'
1927
Wrapping block
circa 1920
Demonstration radio receiver
1926
Gold amulet in the form of a cobra
2000-100 BCE
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Model locomotive, O Gauge, London & North Eastern Railway
1925-1927
Wooden prosthetic hand with rigid fingers
circa 1920
Working Model locomotive
1922
Novelty model
1955; 1830
Bottle of medicinal water from La Rampe
1920-1928
Amplion loud speaker with wooden horn, 1925
1925
Straight horn loudspeaker, 1921-1926
1921-1926
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Framed poster advocating vaccination against smallpox
1923
Replica of the first Morse telegraph, 1835
1934
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
Brass worksplate, Manning Wardle & Co
1920
McKay artificial left arm
1920
"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington
1921
Vaccination set, London, England, 1925-1928
1925-1928
Ivory model of a skull on wooden pedestal
before 1928
'Cat's whisker' Crystal Radio
1920-1925
Medicinal water from hot spring of Saint Maria Theresa
1920-1928
Tablet Stone, Moretonhampstead & South Devon Railway
1924
London Midland & Scottish Railway decorative crest
1928
London & North Eastern Railway Steam Locomotive, 'Flying Scotsman'
1923
Lap Scales
circa 1920
"Ogee-de-Luxe" face massager
1920
Infant death rate and income
1926-1928
Freud electronic laughing ball
1990-96
Tennis Racquet from ca. 1927.
circa 1927
Kelvinator electric compression domestic refrigerator no 5534
1926
"Electrolux" vacuum cleaner
1927
British War medal - G.F.W. Keen
1920