Text and photographs introduce the physical characteristics and functions of a variety of machines designed for heavy labor. Included are the bulldozer, tractor, crane, paver, and others.
- ISBN10 0525351558
- ISBN13 9780525351559
- Publish Date 14 June 1974
- Publish Status Out of Print
- Publish Country US
- Imprint Dutton Books
- Format Hardcover
- Pages 41
- Language English