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Hughes microphone detector, 1865-1875

Radio Communication

1865-1875

Mattei's electro-homeopathic treatments, Bologna, Italy, 1871-1885

Pharmacy-ware

1871-1885

Thin-walled square glass bottle

King George III

1761

George III's glass sphere

King George III

1761

Chadwick's neutron detector

Nuclear Physics

1932

Electron diffraction camera, 1925.

Nuclear Physics

1925

Leyden jar

King George III

1750-1800

Luke Howard's original rain guage

Meteorology

1818

experimental Lodge-Muirhead wireless telegraph receiver, 1900-1910

Radio Communication

1900-1910

Experimental Lodge-Muirhead wireless telegraph receiver, designed and built by Robert Pickersgill Howgrave-Graham, British, about 1905.

Experimental Lodge-Muirhead wireless telegraph receiver, 1900-1910

Radio Communication

1900-1910

Plate electrical machine

King George III

1770

Small mechanism from experimental Lodge-Muirhead wireless telegraph receiver, designed and built by Robert Pickersgill Howgrave-Graham, British, about 1905.

Mechanism from experimental Lodge-Muirhead wireless telegraph receiver 1900-1910

Radio Communication

1900-1910

Boys' Radiomicrometer, 1887-1900

Heat

1887-1900

Original prism by Joseph von Fraunhofer

Optics

Globe electrical machine attributed to George Adams, Fleet Street, London, c.1760. Later wooden stand made by King's College London between 1840-1927.

Globe electrical machine

King George III

1700-1753

Thunder House demonstration model made by George Adams, Fleet Street, London, 1771-1796.

Thunder house by George Adams

King George III

1771-1796

Vacuum chamber of the original cyclotron, 1931 (replica)

Nuclear Physics

1931

Parallel plate condensor

King George III

1828-1857

Luke Howard's rain-gauge, by Richard & George Knight, 1818

Meteorology

1818

Davy Infra-red Reflection Apparatus.

Heat

1876

Standard mercury thermometer, by Ronketti, 1846

Meteorology

1846

Reichert's Thermoregulator (Temperature Controller), 1871-1900

Heat

1871-1900

Crookes' Radiometer, 1872-1879

Heat

1872-1879

Crookes' Radiometer, 1872-1879

Heat

1872-1879

Arrow used with the Original Boys' Bow for Shooting Quartz Fibres, 1887

Heat

1887

Globe on stand for electrical experiments

King George III

1725-1775

Glass Hydrometer, Beaume No. 1, 1866-1876

Experimental Chemistry

1866-1876

Replica of Vacuum Vessel Sealed with Wax, 1930

Heat

1930

Glass measuring cylinder from Luke Howard's rain-gauge

Meteorology

1818

Arrow used with Original Boys' bow for Shooting Quartz Fibres, 1887

Heat

1887

Cabinet of synthetic dyes, British Dyestuffs Corp, 1870-1926

Industrial Chemistry

c. 1900-1926

Crookes' Radiometer, 1872-1879

Heat

1872-1879

Nose pin of cane with decoration torquoise-coloure

Ethnography and Folk Medicine

1880-1920

Spiral fulminating tube

King George III

two steel dies, three brass Barton's buttons, one

Optics

1825-1832

Nose pine of cane with decorative green polished s

Ethnography and Folk Medicine

1880-1920

Nose pins of cane with decorative polished green s

Ethnography and Folk Medicine

1880-1920

Joule's Electro-Magnet (Calorimeter) Apparatus, 1843

Heat

1843

Electric cell, 1823

King George III

1823

Electric chimes

King George III

Fulminating pane

King George III

Charles Vernon Boys' Original Gravitational Apparatus, 1889

Geophysics

1889

Ticket for admission to the laying of the first stone of New London Bridge

Unknown maker

1930

Apparatus used by Wheatstone in his early researches in spectrum analysis. A mechanical arrangement for electric discharge. Made by Watkins & Hill, 5 Charing Cross, London, c.1834. Physics Cat.(1905) no.394

Apparatus used by Wheatstone in his early researches in spectrum analysis

Optics

1830-1839

Glass vial with cork stopper sealed with wax, containing chemical preparation of Piperine, unsigned, French, 1820-1829. Associated with Pierre Joseph Pelletier, France.

Chemical Sample of Piperine, Associated with P. J. Pelletier, 1820-1829

Materia Medica & Pharmacology

1820-1829

Cylindrical glass bottle with cork stopper, contains quinine sulphate, prepared by Howards & Sons, Stratford, London, 1860-1910.

glass Bottle Containing Quinine Sulphate, 1860-1910

Materia Medica & Pharmacology

1860-1910

Electromagnetic machine, induction coil, pottery cases for smee cells, and two pairs of electrodes in deal case, probably English, c. 1850

Electromagnetic machine, induction coil, pottery c

Therapeutics

1850

Fiducial-ray Cobalt-glass and ocular, in wooden box. (See note). Used by Sir John F.W. Herschel in his researches

Fiducial-ray Cobalt-glass and ocular, in wooden bo

Optics

Small clear glass, rectangle based bottle with cork stopper and metal ringed cap and paper dispensers label. To contain powdered opium. Contents appear to be complete

Small clear glass, rectangle based bottle with cork stopper and metal ringed cap and paper dispensers label. To contain powdered opium

Materia Medica & Pharmacology

Copy of the seal of the religious medical brotherhood of the Jesuati, founded 1360, original 1360-1500

Copy of the seal of the religious medical brotherh

Wellcome Medals

1880-1930