Flammarion, Camille, 1842-1925, Welby, Frances A. (Frances Alice) tr · New York, D. Appleton and company · leaf 249
I JANUARY 31 Days ^ FEBRUARY as^-ag I MARCH 31 APRIL 30 J MAY 31 JUNE 30 JULY 31 >. / AUGUST 31 SEPTEMBER 30 OCTOBER 31NOVEMBER 30 DECEMBER 31 Fig. 63.—To find thelong and short months. first knob = January; first hollow, February; secondknob, March; and so on.^ * Translator : Compare the…
Astronomy
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