The Technical World Magazine, Volume 5Technical World Company, 1906 |
From inside the book
Results 1-3 of 50
Page 347
King Coal and His Subjects By Frederic Blount Warren Hundreds of these children , many of them less than sixteen years old , work long hours picking bits of slate and rock from the freshly mined coal . Most of them become coal miners ...
King Coal and His Subjects By Frederic Blount Warren Hundreds of these children , many of them less than sixteen years old , work long hours picking bits of slate and rock from the freshly mined coal . Most of them become coal miners ...
Page 361
... Coal - Testing Plant at the St. Louis Exposition last summer , have passed almost unnoticed by the general public . The experiments at this plant have demonstrated that bituminous coal , here- tofore considered less than half as valu ...
... Coal - Testing Plant at the St. Louis Exposition last summer , have passed almost unnoticed by the general public . The experiments at this plant have demonstrated that bituminous coal , here- tofore considered less than half as valu ...
Page 364
... coal should be ac- cepted . In response to invitation , offers of coal were made from almost every coal - producing State in the Union . From these offers it was decided to accept such samples as best represented the State commercial ...
... coal should be ac- cepted . In response to invitation , offers of coal were made from almost every coal - producing State in the Union . From these offers it was decided to accept such samples as best represented the State commercial ...
Other editions - View all
Common terms and phrases
alternating current American American Falls amperes asbestos Baffin Bay Baker Island battery Benguet boiler bridge building built caisson canal carried cent chemical Chicago coal Company concrete connected construction cost cylinder direct current earth electric engine feet fiber fire fuel gasoline give Goat Island hand heat Homarus horse-power hour inches invention iron J. J. THOMSON Key West Lake land light load locomotive machine machinery manufacture Mars mechanical ment Mention Technical World method miles mills minutes motor motorite mountain operation Pacific Patent pipes plant pounds practically pressure produced rail railroad railway revolutions per minute river road rock rods sand ship shows side silk speed station steam steel Street Suez canal surface Technical World Magazine tion torpedo track train truck valve wheel wire York