On a new photometer, founded on the principles of Bouguer
By: by William Ritchie.
Contributors: Bouguer, M. 1698-1758.
Series: Landmarks of science II
Publisher: William Blackwood; T. Cadell
Published: 1826
Place of publication: Edinburgh; London
Language: eng
Format: Microform
Number of pages: 141
Subjects: Astronomical photometry.; Light meters.
Notes: Includes bibliographical references.

Microfiche. New York, N.Y. Readex Microprint Corporation, [1985?] (Landmarks II)

In Edinburgh journal of science, v. 5 (1826), p. 139-141.