Author

Publication

1969 - Crowell, New York, New York (State)

Language

English

Word Count

15,500 words, Guess

Page Count

62 pages

Identifiers

Classifications

  • DDC621.4
  • LCCTJ147 .W43

Description

Describes various kinds of modern engines, their sources of energy, and how to make a model of each.

Subjects

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