General catalogue of the manufactures of Adam Hilger, Ltd (1928)
Hilger, Adam · London EN · leaf 69
N l Interferometers N.* MICHELSON AND FABRY & PEROT INTERFEROMETERS. See also for Fabry & Perot EtaUms— p. 0 3, Fabry & Perot Etahn ; p. 0 6, Mount for taking the above in front of any ordinary Spectroscope ; p. J. 5, Direct Vision Pocket … Fig. N 1. The transmission plates in the following interferometers are silvered by cathodic deposition from fresh electrolytically deposited silver. With silver films deposited in this manner the loss of light is less than by any other known method, and the necessary condition for sharply defined…
Spectrometer
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