Image from page 79 of “From the Earth to the Moon direct in ninety-seven hours and twenty minutes, and a trip round it” (1874)

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Image from page 79 of “From the Earth to the Moon direct in ninety-seven hours and twenty minutes, and a trip round it” (1874)
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Identifier: fromearthtomoond00vern
Title: From the Earth to the Moon direct in ninety-seven hours and twenty minutes, and a trip round it
Year: 1874 (1870s)
Authors: Verne, Jules, 1828-1905
Subjects:
Publisher: New York : Scribner, Armstrong
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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Text Appearing Before Image:
tory ought to be ranked amongst the legends of the .middle ages. Gunpowder was not invented by any one ; it wasthe lineal successor of the Greek fire, which, like itself, wascomposed of sulphur and saltpetre. Few persons are acquaintedwith the mechanical power of gunpowder. Now this is pre-cisely what is necessary to be understood in order to comprehendthe importance of the question submitted to the committee. A litre of gunpowder weighs about 21bs.; during combustionit produces 400 litres of gas. This gas, on being liberated andacted upon by a temperature raised to 2400 degrees, occupies aspace of 4000 litres: consequently the volume of powder is to thevolume of gas produced by its combustion as 1 to 4000. Onemay judge, therefore, of the tremendous pressure oi this gas whencompressed within a space 4000 times too confined. All this was,of course, well known to the members of the committee whenthey met on the following evening. The first speaker on this occasion was Major Elphinstone,

Text Appearing After Image:
THE INVENTION OF GUNPOWDER BY THE MONK SCHWARTZ. Ll>. 44-1 THE QUESTION OF THE POWDERS. 45 who had been the director of the gunpowder factories during thewar. Gentlemen, said this distinguished chemist, * I begin withsome figures whicli will serve as the basis of onr calculation.The old 24-pouuder shot required for its discharge IGlbs. ofpowder. You are certain of the amount ? broke in Barbicane. Quite certain, replied the majoi. The Armstrong cannonemploys only 75lbs. of powder for a projectile of SOOlbs., and theRodman Columbiad uses only 1601bs. of powder to send its half-ton shot a distance of six miles. These fticts cannot be called inquestion, for I myself raised the point during the depositions takenbefore the Committee of Artillery. Quite true, said the general. Well, replied the major, these figures go to prove that thequantity of powder is not increased with the weight of the shot ;that is to say, if a 24-pounder shot requires IGlbs. of powder ;—in other words, if in or

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NYC – Queens – LIC: 5 Pointz – Meres, Cortes and Zeso
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Image by wallyg
Just blocks from P.S. 1 is 5 Pointz, the Institute of Higher Burnin’. Not a museum or gallery, 5 Pointz is a living collage of graffiti art covering a converted warehouse full of artist studios. The art of famous and novice graffiti artists covers the building’s facade, all done with the encouragement of the building’s owner. It’s a well-known sight from the elevated 7 subway, which runs behind 5 Pointz.

Severin Roesen: An Abundance of Fruit
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Image by unbearable lightness
a better shot of a previous post

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