A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope (1912)
Murphy, Edgar Gardner, 1869-1913 · New York, London, G.P. Putnam's sons · leaf 122
tmanufacturers in a number of designs; all representing the same principle of construction.The alt-azimuth type is less expensive as well as less complicated than the equatorial,and it is adapted, if well made, to all the ordinary needs of the amateur. *See ChamhcTs Handbook of Astronomy, vol. i.,… … TELESCOPE—MODEL C Alt-Azimuth Mounting io8 a Beainner6 Star:*Book The Telescope for the School In teaching the circles of the celestial sphere and in illustrating the theory of the science,the instructor may desire an equatorial mounting, but in the practical work of observa-tion, in introducing…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-193-46.webp)
