Read Journal of the United States Artillery, 1917, Vol. 47 (Classic Reprint) - Artillery School file in PDF Online

Read online Journal of the United States Artillery, 1917, Vol. 47 (Classic Reprint) - Artillery School file in PDF

Excerpt from Journal of the United States Artillery, 1917, Vol. 47Searchlights were first used in the Civil War. These were fitted with metal mirrors and were very crude. The first electrical searchlight was employed in the year 1867 by the French but it proved to be of little practical value until the invention of the Mangin mirror in the year 1877.In the course of the

Title : Journal of the United States Artillery, 1917, Vol. 47 (Classic Reprint)
Author : Artillery School
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 03, 2021

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