The Technical World Magazine, Volumes 20-21Technical World Company, 1913 |
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Results 1-5 of 100
Page 99
... inventor claims that his system can be installed on any third rail or trol- ley line for one - twentieth the cost of any other block or safety system . The cost of maintenance , too , is to be about one per cent of that of other systems ...
... inventor claims that his system can be installed on any third rail or trol- ley line for one - twentieth the cost of any other block or safety system . The cost of maintenance , too , is to be about one per cent of that of other systems ...
Page 124
... inventor . He declares that no difficulty is without its remedy ; he says that there is a mechanical cure for every physical ill and that to find the remedy requires only an exact appraisal of the difficulty . He is hopeful and ...
... inventor . He declares that no difficulty is without its remedy ; he says that there is a mechanical cure for every physical ill and that to find the remedy requires only an exact appraisal of the difficulty . He is hopeful and ...
Page 125
... inventor ran his hand along the low - hanging roof . It came away wet . He looked along the roof and side walls . • Beads of moisture were hanging or drip- ping everywhere . " Where does this moisture come from ? " The pit boss , unable ...
... inventor ran his hand along the low - hanging roof . It came away wet . He looked along the roof and side walls . • Beads of moisture were hanging or drip- ping everywhere . " Where does this moisture come from ? " The pit boss , unable ...
Page 153
... inventor should have our " Inventor's Primer " ; containsstatistics of interest to all . Sent free , with square deal contingent fee plan if desired . Milo B. Stevens & Co. , Estab . 1864 , 612 F St. , Wash- ington . 336 Monadnock Bĺk ...
... inventor should have our " Inventor's Primer " ; containsstatistics of interest to all . Sent free , with square deal contingent fee plan if desired . Milo B. Stevens & Co. , Estab . 1864 , 612 F St. , Wash- ington . 336 Monadnock Bĺk ...
Page 164
... inventors and contains 100 mechanical movements illustrated and described . FORTUNES IN PATENTS Tells How to Invent for Profit and gives history of suc- cessful inventions . WHAT TO INVENT Contains a valuable list of Inventions Wanted ...
... inventors and contains 100 mechanical movements illustrated and described . FORTUNES IN PATENTS Tells How to Invent for Profit and gives history of suc- cessful inventions . WHAT TO INVENT Contains a valuable list of Inventions Wanted ...
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