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The Boy's Book of New Inventions. E-book. Formato PDF - 9780243768103

Un ebook di  Harry E. Maule  edito da Forgotten Books, 2017

Although the subjects treated in the earlier chapters are here spoken of as new inventions, all of them are not recent in the strictest sense of the word, for men had been working on the central idea of some of them for many years before they actually were developed to a stage where they could be patented and sent out into the world.

Informazioni bibliografiche

  • Titolo: The Boy's Book of New Inventions. E-book. Formato PDF
  • AutoreHarry E. Maule
  • Editore: Forgotten Books
  • Data di Pubblicazione: 24 Ottobre '17
  • Formato: PDF
  • Protezione: nessuna
  • ISBN-13: 9780243768103
Dello stesso autore: Harry E. Maule