United States. Army. Ordnance Dept. The manufacture of optical glass and of optical systems; a war-time problem [by F.E. Wright, Ordnance Reserve Corps].

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United States. Army. Ordnance Dept.

The manufacture of optical glass and of optical systems; a war-time problem [by F.E. Wright, Ordnance Reserve Corps].

Optical industry.

Glass, optical.

1921.

Wright, F. E. (Frederic Eugene), 1877-1953