Wrapping block

circa 1920

Telephone crossbar switch, Swedish Ericsson, 1921

1921

Wooden prosthetic hand with rigid fingers

circa 1920

McKay artificial left arm

1920

Novelty model

1955; 1830

"Swiftsure" copper posser by the British Vacuum Wsher Co. of Islington

1921

Replica of the first Morse telegraph, 1835

1934

Gold amulet in the form of a cobra

2000-100 BCE

Working Model locomotive

1922

Brass worksplate, Manning Wardle & Co

1920

Lap Scales

circa 1920

Replica of Liverpool & Manchester Railway 1st Class carriage 'Traveller'

1930 (replica); 1834 (original)

British War medal - G.F.W. Keen

1920

"Ogee-de-Luxe" face massager

1920

Model of Great Central Railway "Atlantic" Express Locomotive

1903 (original); 1982 (model)

Sectioned model steam locomotive boiler

circa 1920

Freud electronic laughing ball

1990-96

Popular Wireless no. 1 vol. 1, 1922

1922

Card of Authority to use portable receiver, 1922

1922

Replica of Morse's second model of telegraphy apparatus, 1934

1934

Amplifying valve type V24, 1920-1922

1920-1922

Ora wireless receiving triode, 1921

1921

Model of the "Planet" Locomotive

1830 (original); 1967 (model)

Neolithic flint scraper

4000-2001 BCE

Glass-stoppered bottle containing uranium

1801-1892 (prepared); 1946 (element replaced)

Locomotive worksplate

1920

Brass worksplate no 1982, Manning Wardle & Co

1920

Images showing West Indian migrants arriving at London’s Waterloo station in May 1962

1962-05

Cunningham triode type C300 1921

1921

Clinical thermometer

1970-1900

Axe head shaped flint

10000-5000 BCE

Radio Frequency Transformer

circa 1922

Cunningham triode type C301

1921

McVitie Weston valve collection

1921

Dummy 66-volt dry battery

1922

Beam scale

circa 1920

'Cirscale' moving iron ammeter

1922

Circular Tours

1920

Microscope, Jackson model; made by Geo Jackson

before 1921

Moving-iron voltmeter and ammeter (two movements) by the Record Electrical Co. Ltd.

1920

Assmann psychrometer

1922

Every ready battery, 1917

1917

Monocular microscope no.30686 by F. Koristka

1921

Two photographs of alchemical engravings

1921

Two photogaphic prints, showing the collision of an alpha-ray with an oxygen atom in an argon-filled expansion chamber

1922

Circular bronze medal commemorates 100th convention of German Leipzig 1922

1922

Print, etching of Night scene in European city

1940-1050

Ivory paper knife

1920

Inner tube of Barr and Stroud 2-metre base rangefinder

1920

Fabroil Silent Pinion type B, gear wheel

1922