Minutes of proceedings of the Royal Artillery Institution (1858)
Great Britain. Army. Royal Artillery Institution · Woolwich, Eng., : The Institution · leaf 17
bl} c1} etc., are obtained. In a similar way, lay off on B Q, the proper distances from G, gi so that the points B' , c./, etc., are obtained also. ' Then if intermediate points are treated in like manner, the lines aal , bb', cc', etc., of Fig. 2, will become trans¬ formed into the curves1 % a/,… … A B below G M, in fig. 2. Thus Fig. 4 is a portion of the information, placed round a drum, constructed for forts commanding a channel/where the minimum range of an objective might vary from 800 to 2000 yards, the guns being 9-inch, 10-inch, or 12*5-inch R.M.L., with an average “time of firing” of…
Artillery -- Periodicals · Artillery -- Great Britain -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
