ocity, shows a muzzle en- an illustration of this gun engravedfrom a photograph protection to the cargo on the conveyer or in the ergy of only 30,750 foot-tons, the relatively small energy being « due to the very light shell, which weighs only taken at the Proving Grounds, which shows both the… … feet long, . ac- respect of its cording to lo- cal require- remaining en- ergies at the bients of docks
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