The Technical World Magazine, Volume 17Technical World Company, 1912 |
From inside the book
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Page 9
... HAND IN THE JOURNEY UP THE COPPER RIVER . THE ICE FLOW AT MILES GLACIER BRIDGE IN DECEMBER . Followed the rails , also on snow , and ballast from the far hills as fast as pos- sible . It all sank at every thaw or was buried in the ...
... HAND IN THE JOURNEY UP THE COPPER RIVER . THE ICE FLOW AT MILES GLACIER BRIDGE IN DECEMBER . Followed the rails , also on snow , and ballast from the far hills as fast as pos- sible . It all sank at every thaw or was buried in the ...
Page 11
... hand - twenty men or more to one horse . Sometimes the animal could walk a little way but progress generally was at the rate of about a mile an hour . Little by little the rails were sent for- ward , while at the three main river chan ...
... hand - twenty men or more to one horse . Sometimes the animal could walk a little way but progress generally was at the rate of about a mile an hour . Little by little the rails were sent for- ward , while at the three main river chan ...
Page 19
... . So far as they are con- cerned , free and unrestricted competition has been restored and the greedy hand . of special privilege has been cut off at the wrist . man . PROF . ALBERT A. MICHELSON , Director of the Ryerson.
... . So far as they are con- cerned , free and unrestricted competition has been restored and the greedy hand . of special privilege has been cut off at the wrist . man . PROF . ALBERT A. MICHELSON , Director of the Ryerson.
Page 32
11TH velop in any tropical morass that may chance to be at hand . A PORTION OF THE LABORATORY SCREENED OFF BY MOSQUITO NETTING . In the foreground is shown a box for hatching out tsetse flies for experimental purposes . STUDYING THE ...
11TH velop in any tropical morass that may chance to be at hand . A PORTION OF THE LABORATORY SCREENED OFF BY MOSQUITO NETTING . In the foreground is shown a box for hatching out tsetse flies for experimental purposes . STUDYING THE ...
Page 33
... hands bare , laughing and jumping as if having a frolic . They know the habits of the fly as the American boy knows the ... hand , no tsetse flies were found , a blue disc is fixed over the spot . In the same way and at the same time a ...
... hands bare , laughing and jumping as if having a frolic . They know the habits of the fly as the American boy knows the ... hand , no tsetse flies were found , a blue disc is fixed over the spot . In the same way and at the same time a ...
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Common terms and phrases
acres Alaska animals Bering Sea boat bridge building built canal Carey Act carried cent coal Coatesville concrete construction COPPER RIVER cost crop cylinder David Lubin device dollars eggs electric engine fact farm farmer feet fifty fish five four fruit gutta percha heat hour hundred Idaho inches irrigation Island Kansas land larvæ light living Lubin machine means ment method miles million motor operation passed pipe plant POPULAR SCIENCE pounds produced pumping rail railroad river road Sabetha ship shows side sleeping sickness square miles station steam steel Sudan III surface thing thousand tion town track trees trypanosomes tsetse fly twenty United vessel wall wheels wire wireless York York City