Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 540
446 MINUTES OE PROCEEDINGS OE Tig. 2. N O … To apply this formula, let" it be supposed that an escarp wall covered by a counterguard (Fig. 2) is to be destroyed. Let the revetment be at a distance of 3640 ft., and the crest of the covering breastwork at a distance of 3521 ft. from the gun ; let the vertical height of the crest of the…
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
