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Hilger Spekker absorptiometer

Hilger Spekker absorptiometer

1945
Photo-electric absorptiometer

Photo-electric absorptiometer

Spekker photo-electric absorptiometer made by Adam Hilger Ltd.

Spekker photo-electric absorptiometer made by Adam Hilger Ltd.

1945
Twelve light filters, in mahogany box, for Spekker photo-electric absorptiometer

Twelve light filters, in mahogany box, for Spekker photo-electric absorptiometer

1940
Glass cells, in mahogany box, for Spekker photo-electric absorptiometer

Glass cells, in mahogany box, for Spekker photo-electric absorptiometer

1940
Hilger Spekker absorptiometer (serial No. H.760.301/4927 with Cambridge Instrument Co. galvanometer.)

Hilger Spekker absorptiometer

Hilger Spekker photoelectric absorptiometer Type H760, 1948

Hilger Spekker photoelectric absorptiometer Type H760

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
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

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

Hilger Spekker photo-electric absorptiometer

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

Spectra flow through absorptiometer

1962
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 absorptiometer

Hilger spekker absorptiometer

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

Spekker photo-electric absorptiometer

1952