Astronomical photography
Subtitle: the conditions which determine the limiting time of exposure
By: by F.L.O. Wadsworth.
Publisher: Printed by Witherby & Co.
Published: 1897
Place of publication: London
Language: eng
Number of pages: 16
Subjects: Astronomical photography.; Photography -- Exposure.
Notes: From cover: "Reprinted from 'Knowledge,' August and September, 1897".

Title from cover.