The Technical World Magazine, Volume 23 |
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Results 1-5 of 80
Page 14
The Cooper - Hewitt mercury vapor electric lamp , which is to be seen in photography establishments every where , and which is the one depend- able factor of motion picture manufac- turing , was the inventor's answer .
The Cooper - Hewitt mercury vapor electric lamp , which is to be seen in photography establishments every where , and which is the one depend- able factor of motion picture manufac- turing , was the inventor's answer .
Page 37
It was found after a picture of each square marked off was taken . A veterinary extracted it from his throat . THE WRATH OF A GERMAN BIG GUN Once this wrecked structure was a powerful fort at Liege but à shell from a forty - two ...
It was found after a picture of each square marked off was taken . A veterinary extracted it from his throat . THE WRATH OF A GERMAN BIG GUN Once this wrecked structure was a powerful fort at Liege but à shell from a forty - two ...
Page 51
The sign in English above the door ( not shown in the picture ) of course makes six languages . To sell a postage stamp in English , fill a prescription in Greek , serve soda to an Italian , pass out the cheroots to a Spaniard , while a ...
The sign in English above the door ( not shown in the picture ) of course makes six languages . To sell a postage stamp in English , fill a prescription in Greek , serve soda to an Italian , pass out the cheroots to a Spaniard , while a ...
Page 61
FOUR TREES MAKE REFINERY THE Panama sugar refinery shown in the picture consists of nothing but four tree trunks , a length of jungle vine , some smaller lengths of wood , and a can . Two of the trunks are planted upright in the ground ...
FOUR TREES MAKE REFINERY THE Panama sugar refinery shown in the picture consists of nothing but four tree trunks , a length of jungle vine , some smaller lengths of wood , and a can . Two of the trunks are planted upright in the ground ...
Page 63
Motion pictures of the Panama Canal , and other construction work , have shown how , in a single charge , 10,000 or 20,000 pounds of dynamite have been exploded . But in the near vicinity of Chicago there are a number of large stone ...
Motion pictures of the Panama Canal , and other construction work , have shown how , in a single charge , 10,000 or 20,000 pounds of dynamite have been exploded . But in the near vicinity of Chicago there are a number of large stone ...
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Contents
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