Technical World Magazine, Volume 18American school of correspondence at Armour Institute of Technology, 1912 |
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Page 148
... tion of the ether . In the ether , when it is carrying the wireless message , a sort of invisible earthquake is set up . Etheric vibrations of four hundred billions of waves in a second produce red light , twice as fast violet , but ...
... tion of the ether . In the ether , when it is carrying the wireless message , a sort of invisible earthquake is set up . Etheric vibrations of four hundred billions of waves in a second produce red light , twice as fast violet , but ...
Page 207
... tion at Panama . San Francisco , on the other side of the continent , also will be within the range , facilitating communica- tion with ships in the Pacific . At pres- ent orders to the fleet in the Atlantic have to be relayed through ...
... tion at Panama . San Francisco , on the other side of the continent , also will be within the range , facilitating communica- tion with ships in the Pacific . At pres- ent orders to the fleet in the Atlantic have to be relayed through ...
Page 392
... tion of its members is such that it is fair to expect by far the most effective work which has ever been done in the direction of abating one of the most serious nuisances of city life . Under Dr. Duncan's general guidance , the direc- tion ...
... tion of its members is such that it is fair to expect by far the most effective work which has ever been done in the direction of abating one of the most serious nuisances of city life . Under Dr. Duncan's general guidance , the direc- tion ...
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Common terms and phrases
acres aeroplane alfalfa American apparatus boat bridge building built canyon carry cent Chicago coal concrete construction cost crop Deschutes River device dollars dred eggs electric engine ether waves factory farm farmer fifty fish five four fruit give heat horse hour hundred feet inches isoprene Jack Jouett Kansas kaoliang land lead poisoning light machine Madero Manila means ment method Mexico miles Milk River million motor mountain Necaxa operation orchard pheasant picture plant pounds produce profit radium railroad river road rock Sayville Shaniko ship side station steel stream street tain TECHNICAL WORLD MAGAZINE thing thousand tion Tom Blackburn tons trackless trolley train trees twenty vessel Wauchula wheels white lead wire wireless York young