Episode 1 of 2

Boat Demonstration on the Saône

When
1807
Where
River Saône
Part of
Niépce's Pyréolophore demonstrated on the Saône

The Niépce brothers powered a boat upstream on the Saône to prove the Pyréolophore's utility for patent approval.

To demonstrate the engine's practical application, the brothers installed the Pyréolophore on a boat. The engine successfully propelled the vessel upstream on the river Saône. This event was crucial for validating the invention to the patent commission in 1807.

Sources

  1. Pyréolophore Wikipedia, revision of 2026-08-25

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.