 As to getting correct notions on this subject by drawing circles on paper, or, still worse, from those very childish toys called orreries, it is out of the question.  Outlines of Astronomy - Page 281by John Frederick William Herschel - 1869 - 753 pagesFull view - About this book
 | sir John Frederick W. Herschel (1st bart.) - 1833 - 500 pages
...and Uranus a full sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions...question. To imitate the motions of the planets, in the above mentioned orbits, Mercury must describe its own diameter in 41 seconds; Venus, in 4nl 14s; the... | |
 | Sir John Frederick William Herschel - Astronomy - 1833 - 444 pages
...and Uranus a full sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions...question. To imitate the motions of the planets, in the above mentioned orbits, Mercury must describe its own diameter in 41 seconds; Venus, in 4ni 14s; the... | |
 | 1833 - 468 pages
...Uranus a full sized cherry, or small plum, upon the circumference of a circle more than a mile aud a half in diameter. As to getting correct notions...question. To imitate the motions of the planets, in the above mentioned orbits, Mercury must describe its own diameter in 41 seconds; Venus, iu 4ni 14s; the... | |
 | Augustus De Morgan - Astronomy - 1836 - 140 pages
...and Uranus, a full-sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions...the above-mentioned orbits, Mercury must describe iti own diameter in 41 seconds; Venus in 4 minutes 14 seconds ; the Earth in 7 minutes ; Mars in 4... | |
 | William Mullinger Higgins - Earth (Planet) - 1836 - 514 pages
...and Uranus a full sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions...the above-mentioned orbits, Mercury must describe his own diameter in forty-one seconds ; Venus in four minutes and fourteen seconds ; the Earth in seven... | |
 | Child rearing - 1836 - 422 pages
...and Uranus a full sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions...motions of the planets in the above-mentioned orbits, Merc*iry must describe his own diameter in forty-one seconds ; Venus in four minutes and fourteen seconds... | |
 | John Wesley - Natural history - 1836 - 398 pages
...and Uranus, a full-sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions on this subject by drawing circles on paper, it is out of the question. To imitate the motions of the planets in the abovementioned orbits, Mercury... | |
 | Science - 1836 - 534 pages
...Hina.ll plum, three quarters of a mile from the sun. "As to getting correct notions on this subject by those very childish toys, called orreries, it is out of the question." (Sir J. HerschePs Astronomy; Lardner's Cyclop&dia, p. 287.) This is the smallest scale on which an... | |
 | Mrs. L. H. Tyler - Astronomy - 1837 - 302 pages
...; and Uranus a full-sized cherry or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions...toys called orreries, it is out of the question." (270.) The analogical evidence of the earth's annual motion arising from the revolution of these bodies... | |
 | Great Britain. Council on Education - 1845 - 696 pages
...and Uranus, a full-sized cherry, or small plum, upon the circumference of a circle more than a mile and a half in diameter. As to getting correct notions...the question. To imitate the motions of the planets iu the above-mentioned orbits, Mercury must describe its own diameter in 41 seconds; Venus in 4 minutes... | |
| |
