John Mudge
partilhar
bibliografia
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Directions For Making The Best Composition For The Metals Of Reflecting Telescopes. Together With A Description Of The Process For Grinding, Polishing, And Giving The Great Speculum The True ParabolicGale ECCO, Print Editions04-201821,83€
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Directions For Making The Best Composition For The Metals Of Reflecting Telescopes. Together With A Description Of The Process For Grinding, PolishingGale ECCO, Print Editions06-201018,01€