Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 492
mokeless powder, and the projectile, as itleaves the gun, has a velocity of 2250 feet a sec-ond. It will penetrate 21 inches into hard-facedsteel armor at 5000 yards range. When mountedupon the service carriage, the range will be about19,350 yards, or 11 miles. If fired at a greaterangle of… … NCH GUN AT THE SANDY HOOK PROVING-GROUND. Vol. XXXIX.-47. 370 NATURE AND SCIENCE FOR YOUNG FOLKS [Feb.,
Children's literature
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