The American Journal of Science and ArtsS. Converse, 1860 - Geology |
From inside the book
Results 1-5 of 28
Page 17
... balls em- ployed at the present time being almost as great as that in the patterns furnished by a kaleidoscope . The ... ball's model ; it being in the meanwhile by no means particularly ap- parent in what such excellence consists . An ...
... balls em- ployed at the present time being almost as great as that in the patterns furnished by a kaleidoscope . The ... ball's model ; it being in the meanwhile by no means particularly ap- parent in what such excellence consists . An ...
Page 18
... ball . ” Dimensions of the rifles employed . Twist of grooves gaining , ending in one turn in inches . Length of Barrel . Weight . Calibre . lbs . 07 . No. 1 . 30.5 in . 16 0 0.46 in . No. 2 . 31.0 " 9 0 0.34 " 42.35 No. 3 . 30.4 " 7 4 ...
... ball . ” Dimensions of the rifles employed . Twist of grooves gaining , ending in one turn in inches . Length of Barrel . Weight . Calibre . lbs . 07 . No. 1 . 30.5 in . 16 0 0.46 in . No. 2 . 31.0 " 9 0 0.34 " 42.35 No. 3 . 30.4 " 7 4 ...
Page 19
... ball or picket , on the American model , Fig . 2 , whose flight was accurate up to 500 yards ; its dimensions are given below . This ball was fired with different initial velocities at targets of pasteboard , placed at certain distances ...
... ball or picket , on the American model , Fig . 2 , whose flight was accurate up to 500 yards ; its dimensions are given below . This ball was fired with different initial velocities at targets of pasteboard , placed at certain distances ...
Page 20
... ball in actual practice was either 503 or 543 . Balls 2 and 2 · 5 diameters in length . A longer ball for barrel No. 4 was now constructed : its weight was 141.5 grains , diameter 36 in . , length 74 , so that it was in fact 2.05 ...
... ball in actual practice was either 503 or 543 . Balls 2 and 2 · 5 diameters in length . A longer ball for barrel No. 4 was now constructed : its weight was 141.5 grains , diameter 36 in . , length 74 , so that it was in fact 2.05 ...
Page 21
... ball makes 422 revolutions per second . Now why not , it is often asked , project either of these balls with an ... ball weighing 136 grains and only 2-08 diameters in length , con- sequently not requiring as rapid a rotary motion as the ...
... ball makes 422 revolutions per second . Now why not , it is often asked , project either of these balls with an ... ball weighing 136 grains and only 2-08 diameters in length , con- sequently not requiring as rapid a rotary motion as the ...
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acid Alethopteris alloy American animal appear Arago arch arsenic aurora axis ball Berghaus Annalen bituminous Brgt bright brilliant Cape Cape Henry carbon carbonic acid catalogues chemical clouds coal coal-tar color containing Cordaites crystals diameter direction disinfection distance distillation earth eupion experiments fact feet fossil genera genus Göpp Gulf Stream heat horizon inches initial velocity Jour Journal Kämtz latitude Lepidodendron light Lsqx mass matter metal meteor miles mineral motion nearly nebular hypothesis Neuropteris Noble County northern observations obtained Oil-Coal organic oxygen paraffine Pecopteris peculiar phenomena plants portion present produced Prof rays remarkable rifle river seen Semi-minor axis Sept shales Sigillaria solar species specimens Sphenopteris stars Sternb stone strata streamers substances surface Survey temperature theory thickness tion toises Unifilar vapor volatile whole zenith zenith telescope zinc