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Hilger Spekker absorptiometer

1945

Photo-electric absorptiometer

Spekker Photo-electric absorptiometer no.H 810/1/387, with instruction booklet for variety of absorptiometers, by Hilger and Watts Limited, St. Pancras Way, London, NW1, England, 1948-1969.

Spekker Photo-electric absorptiometer no.H 810/1/387

1948-1969
Hilger Spekker absorptiometer (serial No. H.760.301/4927 with Cambridge Instrument Co. galvanometer.)

Hilger Spekker absorptiometer

Biochemical absorptiometer, serial No.H627.301/46265, Adam Hilger Ltd., London

Biochemical absorptiometer

Hilger Spekker absorptiometer with light source, spot galvanometer (Cambr. Instr) nebuliser unit and set of Spekker cells by Hilger and Watts Ltd, London (1958-1962)

Hilger Spekker absorptiometer with light source

Spectra flow through absorptiometer, by Evans Electroselenium Ltd., possibly 1962, British

Spectra flow through absorptiometer

1962
Hilger Spekker photoelectric absorptiometer Type H760, 1948

Hilger Spekker photoelectric absorptiometer Type H760

Hilger spekker absorptiometer

Hilger spekker absorptiometer

Spekker photo-electric absorptiometer c.1940, made by Adam Hilger Ltd. with set of light filters and set off glass cells and with galvanometer. Made by Cambridge Instrument Co. (See note)

Spekker photo-electric absorptiometer c.1940, With light filters, glass cells and galvanometer

1940
Hilger Spekker photo-electric absorptiometer, in its original box, maker unknown, England, 1948-1950

Hilger Spekker photo-electric absorptiometer

Spekker photo-electric absorptiometer, made by Hilger & Watts Ltd., serial No. H 760, 30-/ 52785, in wooden cabinet.

Spekker photo-electric absorptiometer

1952