Scientists & inventors /

Míreanna comhchosúla

• Inventors and scientists/
  de réir: 200473 Ray, John
  Foilsithe / Cruthaithe: (1974)
• Researchers and inventors of science and technology in the German Museum/
  Foilsithe / Cruthaithe: (1985)
• Be an inventor [kasetvideo]
  Foilsithe / Cruthaithe: (1994)
• Fire of genius : inventors of the past century /
  de réir: 176666 Heyn, Ernest Victor
  Foilsithe / Cruthaithe: (1976)
• Men of science and invention /
  de réir: 4290 American Heritage
  Foilsithe / Cruthaithe: (1960)