Manufacture of optical glass and of optical systems
Subtitle: a war-time problem.  May 1921.
Contributors: Wright, Frederic Eugene, 1877-
Series: U.S.  Ordnance Department
Publisher: Govt. Print. Off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 309
Subjects: Optical instruments; Glass manufacture
Notes: "This work ... was prepared ... by Lieut. Col. F.E. Wright, Ordnance Reserve Corps". - p. 3.