Photometry of telescopes and binoculars.

Bibliographic Details

Corporate Author:	National Physical Laboratory (Great Britain)
Format:	Book
Language:	English
Published:	London : H.M. Stationery Off, 1955 [i.e. 1956]
Series:	Its Notes on applied science, no. 14
Subjects:	Photometry. Telescopes. Binoculars.