Alcock and Brown's Vickers Vimy Biplane
1919
'Cat's whisker' Crystal Radio
1920-1925
Battery locomotive, North Staffordshire Railway
1917
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Model of the "Planet" Locomotive
1830 (original); 1967 (model)
'Prorace' cervical cap
1915-1925
Rolling ball clock by E. Dent and Co
1920
Obsidian possibly used in trephination experiments
1918-1920
Experimental television receiver used by JL Baird in demonstration, made 1925-1926
1925-1926
Model Great Northern Railway Centre-pivot Semaphore Signal
c.1912
'Lucky Jim' toy cat mascot
circa 1915
Pullman Car Company, called Topaz
1913
Neveroil Roller Bearing axlebox for light railway truck
1930
Harwood self-winding wrist-watch of about 1930
circa 1930
Double surface of revolution of constant negative curvature
1910
Burroughs Class 5 hand operated mechanical adding machine with ten registers
1920-1925
Burroughs hand operated adding and listing machine
1917
Revolution of constant negative curvature
1910
'Leiber's Five Letter American Telegraph Code', book issued 1915
1915
Medal commemorating first free balloon stratospheric flight of Professor Auguste Piccard and Dr. Paul Kipfer
1931
Tablet Stone, Moretonhampstead & South Devon Railway
1924
London & North Eastern Railway ceramic cat
circa 1930
Model steam locomotive and model railway carriage
1909
Track recorder
1910
Victory medal - G F W Keen
1918
1914-1915 star medal - G F W Keen
1915
Switchboard for German military portable X-ray apparatus
1914-1918
Charlie Chaplin as a young man in Hollywood
circa 1916
Papier mache model of human eye
1913
Brass worksplate, Manning Wardle & Co
1920
Model of a North Eastern Railway coal wagon, c 1915
1910-1920
London Midland & Scottish Railway decorative crest
1928
model double-sided discharge wagon
1910
Working Model locomotive
1922
Model Railway carriage; London & North Eastern Railway 1st class sleeper
1932
Novelty model
1955; 1830
model steam locomotive London, Brighton & South Coast Railway
1925
Commemorative key, Railwaymen's Club and Institute
1928
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Two-valve short wave radio - telephonic receiver, 1927
1927
Impulse sender (dial), 1915
1915
Wireless World Diary, 1933
1933
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Amplion loud speaker with wooden horn, 1925
1925
S.215 dummy valve, 1920-1929
1920-1929
Cosmos crystal receiver, 1920-1930
1920-1930
Instruction booklet for Cosmos crystal receiver, 1920-1930
1920-1930
Loud speaker valve type L.S.5. W/T, 1923
1923
Brownie crystal receiver and pair of Lissen headphones, 1924-1927
1924-1927