The Firsts - Groundbreaking achievements, inventions and the pioneers. Pre 1900                Home

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First lathe with treadle power by Leonardo da Vinci. Codex Atlanticus, Folio 170, c. 1490. Presented in: Feldhaus, Franz Maria: Leonardo, der Techniker und Erfinder, (1922), p. 54.

Paddle-Wheel Boat. First feet driven vehicle by crankset, c. 1490. Two compound cranks, gears and a flywheel. Codex Atlan-
ticus Folio 374. Presented in: Feldhaus, Franz Maria: Leonardo, der Techniker und Erfinder, (1922), p. 124.

Drawing from U.S patent 771,917, a Spark gap transmitter that transmitted human speech, invented by Brazilian priest Roberto Landell de Moura. It was also patented in Brazil March 9, 1901. The first recognised AM {amplitude modulation) radio transmis-
sion, by Reginald Fessendon in the US, was on December 23, 1900, so de Moura was one of the first inventors of AM radio,
and may have preceded Fessendon. His invention was ignored by the Brazilian government and forgotten.

Dr Aron's electricity meter of 1888
The first commercial electricity meter introduced to England. (p. 31) It was the invention of the German Dr Hermann Aron and
was made and sold in the UK by Hugo Hirst of GEC.