Elementary optics and applications to fire control instruments.
By: Prepared under the direction of the Chief of Ordnance, May, 1921.
Publisher: Govt. Print. Off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 106
Subjects: Optics; Optical instruments; Fire control (Gunnery) -- Optical equipment
Other titles: Fire control instruments, Elementary optics and applications to.