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scale with metal stand for Thompson mirror speaking galvanometer, 1858

Telecommunications

1858

Watson-Odelca x-ray set for mass miniature radiography, Europe, 1960-1961

Radiomedicine

1960-1961

Conoid surface model

Mathematics

1872

Tobacco box - made from a piece of roman lead pipe

Miscellanea & Curiosities

1854

Experimental carbon pencil microphone, 1878-1890

Telecommunications

1878-1890

George III's clockwork bell

King George III

1761

Hughes' printing telegraph, 1860.

Telecommunications

1860

Lens for narrowing light beam for Thomson mirror speaking galvanometer, 1858

Telecommunications

1858

Edison's electric carbon filament lamp

Lighting

1879

Cell used in interruptor circuit, 1875-1890

Telecommunications

1875-1890

Specimen of television cable, 1936

Telecommunications

1936

Experimental microphones with carbon pencils and cups, 1878-1890

Telecommunications

1878-1890

Demainbray's rat's tail crane model

King George III

1735-1753

Lead-lined Radioactive Material Container

Radiomedicine

1970-1990

Continuously loaded transmission core Pacific cable, 1926

Telecommunications

1926

Block of Scintillator Crystals

Radiomedicine

1997-2000

'Selfac' Automatic Fire Extinguisher by F.E. Proprietary Co. Ltd., England, 1940

Firefighting

1940

'Mobaltron 1000’ radiotherapy machine

Radiomedicine

1960-1970

Spratt’s Patent Lightning Conductor

Geophysics

1860

Log-ship, in the form of a fish

Navigation

1750-1850

Weather compendium by George Graham

Meteorology

1739

Printing Block

Railways

Diathermy set, United Kingdom, 1930

Therapeutics

1930

Model to Demonstrate Combination of Tidal Constituents, 1872

Geophysics

1872

Bottle of Behring's diphtheria remedy, Germany, 1914-1918

Materia Medica & Pharmacology

1914-1918

Driving weights and counterweight from balance-wheel brass lantern clock

Time Measurement

1645-1655

Conoid in contact with a hyperbolic paraboloid, surface string model

Mathematics

1872

Hyperboloid and Asymptotic Cone, surface string model

Mathematics

1872

Copies of three ancient Egyptian cranial crochets, 1900-1938

Classical & Medieval Medicine

1900-1938

portion of first underground cable laid in London, 1844

Telecommunications

1844

Replica of a Dewar Metal Vacuum Vessel, 1931

Heat

1931

Plate electrical machine

King George III

1770

Common groin

Mathematics

1872

Optical balance level, after a type used in the 17th Century

Surveying

1700-1799

Lord Kelvin's mirror galvanometer with lamp and stand, 1858.

Telecommunications

1858

Model of the Great Rosse Telescope, 1842-1845

Astronomy

1844-1845

Geometrical Conoids String Surface Model

Mathematics

1872

Hyperbolic Paraboloid String Surface Model

Mathematics

1872

Duckworth's Flavours Label Printing Block

Food & Drink Industry

Printing Block

Railways

Printing Block

Railways

Printing Block

Railways

Printing Block

Railways

Printing Block

Railways

Overhead Telephone Cable Clamp

Telecommunications

Seawater hydrometer, Met Office pattern

Oceanography

Azimuth mirror component

Navigation

1876-1879

Printing Block

Railways

Printing Block

Railways

1932

Printing Block

Railways