General catalogue of the manufactures of Adam Hilger, Ltd (1928)
Hilger, Adam · London EN · leaf 30
spectrographs constructed on the Rowland system. SIZE (a), tm Fig. E 9.) (Suitable for a Grating o/'90 cjm. radius and V4" diameter; The instrument consists of a cast-iron girder on which are mounted the camera, and the slide for the grating carriage. The grating carriage is movable longitudinally… … FjV. E9. ADAM HILGER, Ltd., 75a Camden Road, London, N.W.
Spectrometer
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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