Straight horn loudspeaker, 1921-1926
1921-1926
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
Replica of the first Morse telegraph, 1835
1934
Loud speaker valve type L.S.5. W/T, 1923
1923
Amplion loud speaker with wooden horn, 1925
1925
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
Radio tuning coil No. 100, 1922-1923
1922-1923
Radio tuning coil No. 150, 1922-1923
1922-1923
Radio tuning coil No. 200, 1922-1923
1922-1923
Radio tuning coil No. 300, 1922-1923
1922-1923
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
Bottle of medicinal water from La Rampe
1920-1928
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Framed poster advocating vaccination against smallpox
1923
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
McKay artificial left arm
1920
Working Model locomotive
1922
Novelty model
1955; 1830
"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
Brass worksplate, Manning Wardle & Co
1920
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
Primax moving iron loudspeaker, 1924-1927
1924-1927
"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