A stchoty, Russian abacus.

Mathematics

1901-1930

Marine Timekeeper known as 'H5' by John Harrison and Son 1770

Clockmakers

1770

'Pedoscope' shoe-fitting X-ray viewer

Radiomedicine

1948-1953

Compagnie Internationale de Wagon-Lits et de Grands Express Europeens sleeping car, 1933

Locomotives and Rolling Stock

1933

Gecophone crystal detector radio set no. 1, 1923

Radio Communication

1923

Builder's whole, rigged model, of SS 'Great Eastern', 1853-1857

Water Transport

1853-1857

Hughes' printing telegraph, 1860.

Telecommunications

1860

Pullman Car Company, called Topaz

Locomotives and Rolling Stock

1913

Swan electric lamp

Lighting

1878-1879

Thomson's Mirror Marine Galvanometer, 1858

Electricity and Magnetism

1858

Improved Patent Magneto Electric Machine for nervous diseases

Therapeutics

1862

Cooke and Wheatstone 5-needle telegraph, 1837

Telecommunications

1837

Thornton-Pickard Amber camera

Photographic Technology

c 1897

Dividing engine for making sextants and octants

Industrial Metrology

Made late 1700s, modified 1800s

Fowke's Bellows camera

Photographic Technology

1856

The original Wimshurst electrostatic machine.

Electricity and Magnetism

1882

Thomson's Mirror Galvanometer, 1858

Telecommunications

1858

Sextant by Jesse Ramsden

Astronomy

c. 1772

Lord Kelvin's 'ironclad' marine galvanometer, 1865-1866

Electricity and Magnetism

1865-1866

Felt and Tarrant Comptometer, 1887.

Mathematics

c. 1900

Cuff-type compound microscope

Microscopy (Wellcome)

1790-1810

Cooke and Wheatstone's four needle telegraph, 1838

Telecommunications

1838

Queen Elizabeth's Saloon

Locomotives and Rolling Stock

1941

Bell telephone, mahogany case, 1878

Telecommunications

1878

Celestial globe by George Adams

King George III

1766

Model of Rotative Beam Engine by William Tongue, c. 1804

Motive Power

1797-1804

Cooke and Wheatstone's double needle telegraph, 1844

Telecommunications

1844

Marine chronometer by John Arnold and Son

Clockmakers

1795

Galvani's voltaic pile

Therapeutics

1800-1820

Model of Brunel's cotton winding machine.

Textiles Machinery

1800-1802

George III's Magdeburg hemispheres

King George III

1761

Henley's magneto electric double needle telegraph, 1848-1852

Telecommunications

1848-1852

Sundial making tool

Time Measurement

1690-1710

Magnetic toy by George Adams

King George III

1765

Single needle telegraph, 1846

Telecommunications

1846

Slide rule for exchange of weights and measures

Mathematics

1815

Coast Navigator, silvered brass analogue computer

Navigation

Piece of mahogany, steel T piece one end

James Watt's Garret Workshop

1790-1819

Mahogany piece, slotted centre, iron attachments at widened end

James Watt's Garret Workshop

1790-1819

Long mahogany strip brass pin gauge with eight pins

James Watt's Garret Workshop

1758-1769

Short mahogany strip brass pin gauge with eight pins

James Watt's Garret Workshop

1758-1769

Deck-watch used by Capt. William Parry during his attempt to reach the North Pole, 1827

Clockmakers

1823

Mahogany “Damping well”, part of Watt's letter copying process

James Watt's Garret Workshop

1790-1819

Two pieces of mahogany, one has lead attached

James Watt's Garret Workshop

1790-1819

Three pieces of mahogany, paper diagram one side

James Watt's Garret Workshop

1790-1819

Terrestrial Globe by George Adams

King George III

1766

Wooden box, containing brass and mahogany parts

James Watt's Garret Workshop

1790-1819

Medicine chest used by Teddy Roosevelt.

Materia Medica & Pharmacology

1900-1909

Piece of mahogany, small brass swivel handle attached

James Watt's Garret Workshop

1790-1819

Wormeaten, broken keg, containing various pieces of glass, chain, mahogany and deal

James Watt's Garret Workshop

1790-1819