What does it do and how does it work? : Power shovel, dump truck, and other heavy machines.
An introduction to the power shovel, dump truck, bulldozer, tractor shovel, and motor scraper, explaining simply how they work and the kinds of jobs they do.
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| Format: | Book |
| Language: | English |
| Published: |
New York :
Harper,
[1959]
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| Subjects: |
| Summary: | An introduction to the power shovel, dump truck, bulldozer, tractor shovel, and motor scraper, explaining simply how they work and the kinds of jobs they do. |
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| Item Description: | "Harpercrest edition."--Dust jacket. |
| Physical Description: | 58 pages : illustrations ; 31 cm. |