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What is the earliest mention of use of spyglass by seafarers?
Aug 27, 2018 · There several mentions of the early spyglass use are presented, 1). 19 November 1614 during the battle between Portuguese and French it is said that one of the Portuguse …
What evidence is there of the vision aids people used before the ...
Oct 28, 2017 · The Wikipedia article on glasses says ‘scattered evidence exists for use of vision aid devices in Greek and Roman times’ but only cites the example of Nero’s emerald. This …
contemporary history - Why was Apple not able to compete with …
Mar 6, 2016 · He acquired a CP/M-knock off OS, 86-DOS, for an absurdly low sum, and then used the product he had essentially obtained for free to undercut Digital Research's CP/M. …