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Spectrum discharge tube

BRI Vertical Gel Electrophoresis System

1980-1984

Electromagnetic machine

1850

Crookes X-Ray Tube

1879

Induction coil and smee cell

1850-1860

Aircraft resistance thermometer element Mk I. Met Ref 2732. Marked 1906/55

1953

Glass-stoppered bottle containing platinum

1801-1892 (prepared)

Circular Glass Mirror, Silver and Platinised, by Leon Foucault, 1857-1868

1857-1868

Thermocautery, Paquelin's, from c. 1870 to c. 1940

1871-1940

Electromagnetic machine

1900

X-ray tube, England, 1896-1900

1896-1900
Cardiac catheter, plastic tube with stylet inserted, plus spare stylet, 1950 to 1970

Cardiac catheter

1950-1970
Original Fleming diode, 60 S16, (RMW/A1A - McVitie Weston number), by The Edison and Swan Electric Light Company Limited, c.1904, invented by Sir (John) Ambrose Fleming and used by Fleming in October 1904.

Fleming diode

1904
Electromagnetic machine in walnut(?) box, containing battery, induction coil and 2 electrodes, made by Legendre, Paris, French, 1880-1890

Electromagnetic machine in walnut(?) box, containi

1880-1890
Callendar sunshine recorder, 1900 type, by Cambridge Scientific Instrument Co., 1914.

Callendar sunshine recorder

1914
Melloni's apparatus by Elliott Bros., London, England, 1888. Comprising cast iron bed with three sliding uprights and one upright with radial arm carrying two sliding pillars and a counterweight, plus various accessory apparatus: Locatelli's lamp and reflector, spirit lamp with cover on sliding base, reflector with hook and platinum spiral for heat source, thermopile with double cone and with two caps, line thermopile, plain screen, hinged screen, screen with aperture disc, double screen, black mirror, Leslie's cube with holder, copper hood heat source, two plates of rock salt in glass container, glass cell, angled mica plates in fixed mount, angled mica plates in rotatable mount, mica plates fixed perpendicular to the radiation in rotatable mount, mica plates in frame for varying angle of incliation to the radiation, wooden clamp, and wooden table.

Melloni's apparatus for demonstrating properties of infrared radiation

1888
Cardiac catheter, for investigating heart shunts, plastic and metal, by U.S. Catheter and Instruments Corporation, New York, 1950 to 1970

Cardiac catheter, for investigating heart shunts

1950-1970
First platinum jet through which viscose was drawn into filaments

First platinum jet