'Cat's whisker' Crystal Radio
1920-1925
Obsidian possibly used in trephination experiments
1918-1920
Alcock and Brown's Vickers Vimy Biplane
1919
Replica of Daguerre-Giroux camera
1839 (original); circa 1988 (replica)
Gecophone Crystal Detector Radio Set No. 1, 1923
1923
Oxygen cylinder used by climbers on 1953 Mount Everest expedition
1952-3
Battery locomotive, North Staffordshire Railway
1917
Model Great Northern Railway Centre-pivot Semaphore Signal
c.1912
'Prorace' cervical cap
1915-1925
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
model steam locomotive London, Brighton & South Coast Railway
1925
Commemorative key, Railwaymen's Club and Institute
1928
Impulse sender (dial), 1915
1915
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Replica of the first Morse telegraph, 1835
1934
Switchboard for German military portable X-ray apparatus
1914-1918
Medal commemorating first free balloon stratospheric flight of Professor Auguste Piccard and Dr. Paul Kipfer
1931
model ship - dewsbury
1910
Chain of Office
1927
Tablet Stone, Moretonhampstead & South Devon Railway
1924
London & North Eastern Railway ceramic cat
circa 1930
Track recorder
1910
Victory medal - G F W Keen
1918
1914-1915 star medal - G F W Keen
1915
model tank locomotive
1912
Papier mache model of human eye
1913
Artificial right hand, Europe
1915-1925
model double-sided discharge wagon
1910
War memorial plaque, South Eastern & Chatham Railway
1914
Mineral wagon used at Stanton Ironworks
1931
Model steam locomotive LMS 'Royal Scot'
1927
Gecophone broadcast receiver, model B.C 3200, 1924
1924
Two-valve short wave radio - telephonic receiver, 1927
1927
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
Murray multiplex tape transmitter, 1910-1920
1910-1920
Model of a pendulum clock based on Galileo's design
1921
Eight-day astronomical longcase clock by Thomas Vickery
1931
Rolling ball clock by E. Dent and Co
1920