Knochenhauer spirals, 1963

Radio Communication

1963

King George III's archimedean screw

King George III

1762

Model of open oscillator with spherical radiators used by Heinrich Hertz, 1949

Radio Communication

1949

Model of wire screen in octagonal frame used by Heinrich Hertz, 1949

Radio Communication

1949

Models of two parabolic zinc reflectors used by Heinrich Hertz, 1949

Radio Communication

1949

Hertzian oscillator, 1890-1894

Radio Communication

1890-1894

Models of three wooden prisms used by Heinrich Hertz, 1949

Radio Communication

1949

Model of plane zinc reflector used by Heinrich Hertz, 1949

Radio Communication

1949

Lipson-Beevers Strips

Scientific Instruments & Research

1934; 1934

Seven 1/4 scale models of apparatus used by Heinrich Hertz, 1949

Radio Communication

1949

Deeley friction machine

Industrial Chemistry

rolling double cone and arms

King George III

1740-1760

Reduction gas detector used at the Greenhouse Gas Laboratory, Royal Holloway

Environmental Science & Technology

1990-1996

Carbon dioxide analyser used at Greenhouse Gas Laboratory, Royal Holloway

Environmental Science & Technology

1990-1996

Gas chromatograph used at Greenhouse Gas Laboratory, Royal Holloway

Environmental Science & Technology

1990-1996

Wire Gauze

Industrial Chemistry

1890-1940

Lipson-Beevers Strips

Scientific Instruments & Research

1960-1965

Mercury Electric Contact

Scientific Instruments & Research

1840-1880

Set of Lipson-Beevers Strips

Scientific Instruments & Research

1960-1965

Neutron Beam Guide section

Nuclear Physics

1980

Thermo-Gravimetric Balance

Food & Drink Industry

1890-1930

Set of Lipson-Beevers Strips

Scientific Instruments & Research

1960-1965

Set of sine and cosine Lipson-Beevers Strips

Scientific Instruments & Research

1960-1965

Set of Lipson-Beevers Strips

Scientific Instruments & Research

1960-1965

Replica of Original Hertz Screen for Polarisation

Radio Communication

1928-1929

Grubb Parsons Infrared gas analyser

Experimental Chemistry

1950

Photovisual Eotvos torsion balance by Oertling, 1925

Geophysics

1925

Lipson-Beevers Strips

Scientific Instruments & Research

1960-1965

Lipson-Beevers Strips

Scientific Instruments & Research

1960-1965