An automatic microphotometer
By: by H. Seddon [and] A semiautomatic iris photometer, by H. Seddon and W. Jones.
Contributors: Seddon, H.; Jones, W.
Series: Publications of the Royal Observatory, Edinburgh,; v. 5, no. 6-7
Publisher: H.M.S.O.
Published: 1966
Place of publication: Edinburgh
Language: eng
Number of pages: 109
Subjects: Astronomical photometry.
Other titles: A semiautomatic iris photometer.
Notes: Bibliography: p. 109.