Author

Publication

1978 - Crown Publishers, New York, New York (State)

Language

English

Word Count

23,250 words, Guess

Page Count

93 pages

Identifiers

and 1 more

Classifications

  • DDC608/.7/73
  • LCCT48 .M87 1978

Description

Includes drawings of unusual inventions submitted to the patent office with clues to aid the reader in guessing the purpose of each invention.

Subjects

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