The discourse made before the Royal Society the 26 of November 1674. Concerning the use of duplicate proportion in sundry important particulars together with a new hypothesis of springing or elastique motions / By Sir William Petty.

  • William Petty
Date:
1674
Catalogue details

Licence: Public Domain Mark

Credit: The discourse made before the Royal Society the 26 of November 1674. Concerning the use of duplicate proportion in sundry important particulars together with a new hypothesis of springing or elastique motions / By Sir William Petty. Source: Wellcome Collection.

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    [771] Che Minth Infance: ! ! Concerns Vi/ible Objegis.. WE Say alfo; that four equal me and like Candles will “five light but twice as far | ‘ one,and 9, thrice as far: ft Md that 16 will alfo ene. ie hten but 4 times as far as Me, &c, And if a Flag or iiips-Vane of a yard fquare jay be feen a league off j Sea, it muft be 2 yards guare, or 4 {quare yards — : ae A | CO