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watching the clock, and recording. (From
˜
the author’s copy of the AstronomiA In-
˜
stauratA Mechanica. )]
FOOTNOTES:
[1] For definition see p. 22.
[2] Ibid .
[3] For definition see p. 18.
[4] For definition see p. 18.
[5] In his great book Copernicus says:
156
