The Book of the RifleLongmans, Green, and Company, 1901 - 558 páginas |
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Página 15
... similar rifle a rate of spiral of one turn in 12 feet would give accuracy up to 150 yards , these being the furthest distances required for sporting purposes . It should be observed that the pitch of the spiral depends to some extent ...
... similar rifle a rate of spiral of one turn in 12 feet would give accuracy up to 150 yards , these being the furthest distances required for sporting purposes . It should be observed that the pitch of the spiral depends to some extent ...
Página 16
... similar pitch , about one turn in thirty calibres ; and with a similar velocity tho strain on the bullet , which arises from its being suddenly twisted upon itself , is not greater in the one case than in the other . At the same time it ...
... similar pitch , about one turn in thirty calibres ; and with a similar velocity tho strain on the bullet , which arises from its being suddenly twisted upon itself , is not greater in the one case than in the other . At the same time it ...
Página 21
... similar spin to that which a stone has when sent skimming over the water with the hand . A more modern notion , but one equally unpractical , has been that of firing a smooth- bore cannon , and giving to the whole cannon a rapid ...
... similar spin to that which a stone has when sent skimming over the water with the hand . A more modern notion , but one equally unpractical , has been that of firing a smooth- bore cannon , and giving to the whole cannon a rapid ...
Página 23
... similar one so often made nowadays for rifles of modern make . In those days even more than in these such a state- ment could rest only upon a very flimsy substratum of fact . " It is a curious fact that Mr. Grose , in his book on ...
... similar one so often made nowadays for rifles of modern make . In those days even more than in these such a state- ment could rest only upon a very flimsy substratum of fact . " It is a curious fact that Mr. Grose , in his book on ...
Página 32
... similar to the Brunswick rifle , but carried a conical bullet with a flat base , and a rib on each side to fit the grooving . This was a very heavy bullet , and the flight was not very certain , but the rifles were sighted to 900 yards ...
... similar to the Brunswick rifle , but carried a conical bullet with a flat base , and a rib on each side to fit the grooving . This was a very heavy bullet , and the flight was not very certain , but the rifles were sighted to 900 yards ...
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accuracy advantage allowance ammunition angle arms arranged back position back sight Baker rifle ball barrel Bisley black powder bolt bore breech breech-loading British Brunswick rifle bull's-eye bullet butt calibre cartridge centre charge clean competition competitors cordite Crown 8vo Diagrams diameter difficulty distance effect Elcho Shield elevation Enfield Express rifle feet firing-point fitted flight fore sight give grains grooves ground Illustrations inches LEE-ENFIELD Lee-Metford loading London long ranges magazine Mannlicher mark marker Martini-Henry Match rifle Metford military rifle muzzle National Rifle Association necessary ordinary orthoptic Plate possible practice prize rapid rest rifle clubs Scientific Works published score seen Service rifle shooter shooting side Sir Henry Halford smokeless powder Snider rifle spiral sporting rifles strike target telescopic sight tion trajectory trigger velocity Volunteer weapon weight Whitworth rifle Wimbledon wind writer