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X-ray tube, England, 1896-1900

X-ray tube, England, 1896-1900

1896-1900
Circular Glass Mirror, Silver and Platinised, by Leon Foucault, 1857-1868

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

1857-1868
BRI Vertical Gel Electrophoresis System

BRI Vertical Gel Electrophoresis System

1980-1984
Crookes X-Ray Tube

Crookes X-Ray Tube

1879
Thermocautery, Paquelin's, from c. 1870 to c. 1940

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

1871-1940
Electromagnetic machine

Electromagnetic machine

1900
Electromagnetic machine

Electromagnetic machine

1850
Spectrum discharge tube

Spectrum discharge tube

Induction coil and smee cell

Induction coil and smee cell

1850-1860
Glass-stoppered bottle containing platinum

Glass-stoppered bottle containing platinum

1801-1892 (prepared)
Thermo cautery head

Thermo cautery head

1901-1950
Galvano-cautery burner

Galvano-cautery burner

1901-1950
Galvano-cautery burner

Galvano-cautery burner

1901-1950
Aircraft resistance thermometer element Mk I. Met Ref 2732. Marked 1906/55

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

1953
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
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
Callendar sunshine recorder, 1900 type, by Cambridge Scientific Instrument Co., 1914.

Callendar sunshine recorder

1914
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

Button of steel with 48.6% platinum, by Michael Faraday, 1820-1824

Button of steel with 48.6% platinum

1820-1824
Platinum and steel welded, by Michael Faraday, 1820-1824

Platinum and steel welded

1820-1824
Platinum and steel welded, by Michael Faraday, 1820-1824

Platinum and steel welded

1820-1824
Thermo-cautery head with rounded tip, Paquelin's, by M. and C., probably early 20th century, plated brass and platinum

Thermo-cautery head with rounded tip

1901-1930
Platinum contact star

Platinum contact star

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

Cardiac catheter

1950-1970
Thermo-cautery head with narrow rounded tip, Paquelin's, by M. and C., probably early 20th century, plated brass and platinum

Thermo-cautery head with narrow rounded tip

1901-1930
Thermo-cautery head with raked forward tip, Paquelin's, by M. and C., probably early 20th century, plated brass and platinum

Thermo-cautery head with raked forward tip

1901-1930
Paper wrapper, containing strips of golden foil, probably platinum foil, for use with beam balance, inside of mahogany case, from analytical chemist’s mahogany cabinet, made by Carl Osterland, Freiberg, Sachsen, Germany, 1850

Foil, from analytical chemist's cabinet, by Carl Osterland, Germany, 1850

1850
Thermo-cautery head flattened rounded tip, Paquelin's, probably by Krohne and Sesemann, supplied by Down Bros, London, England, 8 March 1900

Thermo-cautery head flattened rounded tip

Thermo-cautery head mushroom tip, Paquelin's probably, by Krohne and Sesemann, supplied by Down Bros, London, England, 8 March 1900

Thermo-cautery head mushroom tip

Thermo-cautery head, flat rounded tip, Paquelin's, by S. Maw, Son and Thompson, London, England, 1870-1901, plated brass and platinum

Thermo-cautery head

1870-1901
Thermo-cautery head, Paquelin's, by Collin et Cie, Paris, France, c. 1870-1900. plated brass and platinum

Thermo-cautery head

1870-1900
Thermo-cautery head, with type tip, Piquelin's, probably by Krohne and Sesemann, 1878-1926, plated brass and platinum, London, England

Thermo-cautery head

1878-1926
Thermo-cautery head, fine needle tip, Paquelin's, by S. Maw, Son and Thompson, London, England, 1870-1901, plated brass and platinum

Thermo-cautery head

1870-1901
Thermo-cautery head, flat rounded tip, Paquelin's, probably by Krohne and Sesemann, 1878-1926, plated brass and platinum, London, England

Thermo-cautery head

1878-1926