The Long Route to the Invention of the Telescope
Rolf Willach
Broschiertes Buch

The Long Route to the Invention of the Telescope

Transactions, American Philosophical Society (Vol. 98, Part 5)

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After the telescope became known in 1608-1609, a number of people in widely separate locations claimed that they had such a device long before the announcement came from The Hague; in the summer of 1608, no one had a telescope, in the summer of 1609, everyone had one. For a number of years author Rolf Willach has quietly tested early spectacle lenses in museums and private collections, and now he reports on this study, which gives an entirely new explanation of the invention of the telescope and solves the conundrum mentioned above. Willach is an optical engineer and independent scholar who wo...