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

Rain gauge designed by Luke Howard, c. 1818

Meteorology

1818

Original prism by Joseph von Fraunhofer

Optics

Electromagnetic machine, induction coil, pottery c

Therapeutics

1850

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

Optics

1825-1832

experimental Lodge-Muirhead wireless telegraph receiver, 1900-1910

Radio Communication

1900-1910

Leyden jar

King George III

1750-1800

Boys' Radiomicrometer, 1887-1900

Heat

1887-1900

Vacuum chamber of the original cyclotron, 1931 (replica)

Nuclear Physics

1931

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

Radio Communication

1900-1910

Aspargine R.

Experimental Chemistry

1820-1900

Experimental Lodge-Muirhead wireless telegraph receiver, 1900-1910

Radio Communication

1900-1910

Plate electrical machine

King George III

1770

Globe electrical machine

King George III

1700-1753

Parallel plate condensor

King George III

1828-1857

Miconine

Experimental Chemistry

1820-1900

Crookes' Radiometer, 1872-1879

Heat

1872-1879

Crookes' Radiometer, 1872-1879

Heat

1872-1879

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

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

Unidentified preparation

Experimental Chemistry

1820-1900

Glass Hydrometer, Beaume No. 1, 1866-1876

Experimental Chemistry

1866-1876

Crookes' Radiometer, 1872-1879

Heat

1872-1879

Replica of Vacuum Vessel Sealed with Wax, 1930

Heat

1930

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

Industrial Chemistry

c. 1900-1926

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

Heat

1887

Spiral fulminating tube

King George III

Nose pin of cane with decoration torquoise-coloure

Ethnography and Folk Medicine

1880-1920

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

Heat

1843

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

Quinine

Experimental Chemistry

1820-1900

Electric cell, 1823

King George III

1823

Fulminating pane

King George III

Electric chimes

King George III

Marghine

Experimental Chemistry

1820-1900

Dip pen associated with Charles Friedel

Experimental Chemistry

1840-1860

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

Thunder house by George Adams

King George III

1771-1796

Apparatus used by Wheatstone in his early researches in spectrum analysis

Optics

1830-1839

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

Materia Medica & Pharmacology

1820-1829