Star-land; being talks with young people about the wonders of the heavens (1899)
Ball, Robert Stawell, Sir, 1840- [from old catalog] · Boston and London, Ginn & company · leaf 124
t to saythat the height of the flagstaff is the length of itsshadow. This will, indeed, be the case if you arefortunate enough to make your measurement at or ON THE ORIGIN OF THE LUNAR CRATERS. Ill near London on either the 6th of April or the 5thof September. On all other days in the year a… … Fig. 43. —How we fotmd the Height of the Flagstaff. shadows on the moon, and by rinding the number ofmiles in the shadow, we are able to calculate thealtitudes of the lunar mountains and of the rangesof cliffs by which the walled plains are surrounded. ON THE ORIGIN OF THE LUNAR CRATERS. We have…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from XIXe [i.e. Dix-neuvième] siècle (en France); classes - moeurs - usages - costumes - inventions. Ouvrage illustré d'un front. chromotypographique, de 16 planches coloriées aux patrons, de 36 entetes et lettres ornées et de 487 gravures (dont 24 tirées hors texte) d'après les principaux artistes du siècle (1893)](https://img.insideoutlibrary.com/img/200/ia-xixeiedixneuvi00granuoft-747-559.webp)
