Starting with the invention of William S. Otis in 1835, the first successful excavating machines were partial-swing steam shovels mounted on flanged wheels for use on railroad track. The boiler and ...
Now that the state has sold the 44-acre site of the Idaho Transportation Department headquarters on State Street, what will become of the old steam shovel that’s housed there now? Scott ...
CC0 Usage Conditions ApplyClick for more information. Division of Work and Industry Lantern Slide Collection Division of Work and Industry Lantern Slide Collection / Series 1: Engineering / 1.9: ...
The cable-operated excavator is the earliest documented self-powered machine ever used to move earth. Its earliest form, the steam shovel, has roots going back to the very first mechanical excavator, ...
CC0 Usage Conditions ApplyClick for more information. Division of Work and Industry Lantern Slide Collection Division of Work and Industry Lantern Slide Collection / Series 1: Engineering / 1.9: ...
Subway contractors in the U. S. have labor troubles, landslides and politics to contend with. Seldom if ever is their work stopped by any Ministry of Fine Arts. Last week the French Ministry of Fine ...
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