The Technical World Magazine, Volume 21Technical World Company, 1914 |
From inside the book
Results 1-5 of 53
Page 4
... inventions . WHAT TO INVENT Contains a valuable list of Inventions Wanted and sug- gestions concerning profitable fields of invention . Also in- formation regarding prizes offered for inventions , among which is a PRIZE OF $ 100,000 ...
... inventions . WHAT TO INVENT Contains a valuable list of Inventions Wanted and sug- gestions concerning profitable fields of invention . Also in- formation regarding prizes offered for inventions , among which is a PRIZE OF $ 100,000 ...
Page 44
... inventions- the Edison storage battery and an auto- matic controller which regulates voltage . Along with the gas engine there is located in the rear of the Wells ' bunga- low one hundred storage batteries . By running the engine only ...
... inventions- the Edison storage battery and an auto- matic controller which regulates voltage . Along with the gas engine there is located in the rear of the Wells ' bunga- low one hundred storage batteries . By running the engine only ...
Page 76
... invention of J. M. Ward , superintendent . of the Municipal Building , Washington . One has just been installed , and it has proven such a success that a score of others are being manu- factured . They will be placed throughout the ...
... invention of J. M. Ward , superintendent . of the Municipal Building , Washington . One has just been installed , and it has proven such a success that a score of others are being manu- factured . They will be placed throughout the ...
Page 101
... invention he has marked them with a line which , if run through the right machine , will speak right up what the value of the note actually is . The banker who receives it needs only to run it through a pair of twin rollers which are ...
... invention he has marked them with a line which , if run through the right machine , will speak right up what the value of the note actually is . The banker who receives it needs only to run it through a pair of twin rollers which are ...
Page 146
... invention . Every dime you take in , you make 8c net profit . The DIAMOND POST CARD GUN is an unique metal camera - takes official size post cards and button photos , 4 sizes , without the use of films , dry plates or dark room . Just ...
... invention . Every dime you take in , you make 8c net profit . The DIAMOND POST CARD GUN is an unique metal camera - takes official size post cards and button photos , 4 sizes , without the use of films , dry plates or dark room . Just ...
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