Engines Podcast
Engines of Our Ingenuity 3088: David Henderson Houston
Posted on · Episode: 3088 David Henderson Houston and the Roll Film Camera. Today, a patent ahead of its time.
Tag: patent
Engines Podcast
Engines of Our Ingenuity 1569: Alkahest
Posted on · Episode: 1569 Alkahest, the universal solvent. Today, we look for the universal solvent.
Engines Podcast
Engines of Our Ingenuity 3088: David Henderson Houston
Posted on · Today, a patent ahead of its time.