200 years ago

11-November-2019 Monday
“Bicycle” was the name given to a self-propelled vehicle that 33-year-old Karl Dreze conceived as a “running machine.”

“Bicycle” was the name given to a self-propelled vehicle that 33-year-old Karl Dreze conceived as a “running machine.” - History of things, Inventions, 200 years ago, Longpost

5 more images

200 years ago Inventions History of things

28-July-2017 Friday
The relevance of the issue of hot water

The relevance of the issue of hot water - Operation, Pan, 200 years ago

200 years ago Pan Operation

v20240901