The Edinburgh Encyclopædia Conducted by David Brewster, with the Assistance of Gentlemen Eminent in Science and Literature, 16권J. and E. Parker, 1832 |
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145 페이지
... rocket ; and it was found that a rocket of 8 oz . with a mackerel line attached to its stick , ranged to the distance of 180 yards , and that a pound rocket , in similar circumstances , ranged 212 yards . The rocket is placed in a ...
... rocket ; and it was found that a rocket of 8 oz . with a mackerel line attached to its stick , ranged to the distance of 180 yards , and that a pound rocket , in similar circumstances , ranged 212 yards . The rocket is placed in a ...
217 페이지
... rockets for military purposes is of an anti- quity equally obscure . As all pyrotechny depends on the property which ... rocket , which would ful- fil the conditions both of lightning and of thunderbolts , though much more likely to ...
... rockets for military purposes is of an anti- quity equally obscure . As all pyrotechny depends on the property which ... rocket , which would ful- fil the conditions both of lightning and of thunderbolts , though much more likely to ...
218 페이지
... rocket that we have is by an Ara- bian writer , in 1249. But here we are driven back to examine the long disputed and difficult question of the Greek fire , the first firework of which we read in Euro- pean history The whole question ...
... rocket that we have is by an Ara- bian writer , in 1249. But here we are driven back to examine the long disputed and difficult question of the Greek fire , the first firework of which we read in Euro- pean history The whole question ...
220 페이지
... rocket and a carcass . There are difficulties both ways . The fact of being projected from a mortar , if such was the petrary , is in favour of a car- cass ; as no rocket will bear the explosion of a piece of ordnance , and as indeed it ...
... rocket and a carcass . There are difficulties both ways . The fact of being projected from a mortar , if such was the petrary , is in favour of a car- cass ; as no rocket will bear the explosion of a piece of ordnance , and as indeed it ...
221 페이지
... rockets ; in which force is essential , as conducing to high flights ; and as far as a rocket composition includes mealed powder , such charcoal will be an ingredient . Those who are desirous of perfection , will use the same woods for ...
... rockets ; in which force is essential , as conducing to high flights ; and as far as a rocket composition includes mealed powder , such charcoal will be an ingredient . Those who are desirous of perfection , will use the same woods for ...
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acid advantage angles Antimony appear Arctic artist axis burn capital Captain centre church circle colour composition considerable cultivation cylinder degree diameter east East Prussia effect England equal feet fire fireworks fixed force Genesee river gerbes given Greenland Greenland sea hole improvement inches increase iron island kind kingdom labour land length less lever light machine manner manufactures Mealed powder means Melville Island ment metal miles nation nature necessary nitre object obtained oxyd oxygen paper petuntse piece piston plate population porcelain porism Portugal principal printing produce proportion Prussia pump Pyrometer quadrant quantity railway revenue Rhine river road rocket roller round Saltpetre Scotland screw ships side Silesia situated species Speckies spindle Spitzbergen square stone sufficient Sulphur tion tourbillon town valve vessels wealth wheel whole