Category:Inventions of the 1900s

Subcategories

This category has the following 6 subcategories, out of 6 total.

Media in category "Inventions of the 1900s"

The following 11 files are in this category, out of 11 total.

• 
  1901 Henri Gautreau en Mise point d'un nouveau modèle.jpg 1,488 × 1,368; 166 KB
  
• 
  C.3 Vassena.jpg 3,824 × 1,730; 3.14 MB
  
• 
  Cardiac pacer with sold-state power source.jpg 5,832 × 3,270; 5.76 MB
  
• 
  HG marquage des réchauds.jpg 724 × 112; 96 KB
  
• 
  HG marquage des réchauds.png 724 × 112; 161 KB
  
• 
  James Rice Coin Bunching Machine Drawing.png 1,300 × 1,902; 1.22 MB
  
• 
  Le Volcan, extrait du catalogue HG 1903.jpg 504 × 288; 73 KB
  
• 
  Louis Barry Rosenberg (AR Research) V2 CLN - 1992.jpg 3,562 × 1,961; 978 KB
  
• 
  Plaque laiton HG.jpg 4,747 × 2,164; 1.91 MB
  
• 
  Poinçon 1er génération.jpg 5,024 × 2,503; 2.8 MB
  
• 
  Poinçon 2e génération.jpg 4,829 × 2,312; 2.25 MB