 | Encyclopedias and dictionaries - 1816 - 746 pages
...pole ; the reft of the conftellations are propofed to follow: the whole is turned round with a fmall winch, with as little labour as it takes to wind up...weight of the iron, tin, and wooden circle, is about looolb. When made ufe of, a planetarium will be placed in the middle. The whole, with the floor, is... | |
 | George Alexander Cooke - England - 1817 - 318 pages
...great and little bear, and Draco, are already painted in their places round the north pole, the rest of the constellations are proposed to follow. The whole...round with a small winch, with as little labour as it takes-to wind up a jack ; though the weight of the irou, tin, and wooden circle, is above looolb. When... | |
 | John Mason Good - 1819 - 800 pages
...constellations are proposed in follow : the whole is turned round with a small winch, wit!) ns little labouras it takes to wind up a jack, though the weight of the iron, tin, and wooden circle, is abuut a thousand pounds. When Ц is made use of a planetarium will be placed in the middle thereof.... | |
 | Encyclopedias and dictionaries - 1823 - 856 pages
...Great and Little Bear and Draco are already painted in their places round the north pole ; the rest of the constellations are proposed to follow ; the whole is turned round with a smull winch, with as little labour as it takes to wind up a jack, though the weight of the iron, tin,... | |
 | 1825 - 162 pages
...ecliptic and heliocentric orbits of the planets are drawn, and the constellations and stars traced. It is turned round with a small winch, with as little...the weight of the iron, tin, and wooden circle, is above lOOOlb. The Chapel next demands our attention, access to which we obtain 'at the south-west corner... | |
 | Thomas Curtis (of Grove house sch, Islington) - 412 pages
...aiQ proposed to follow; tbc, 2G8 LON whole is turned round with a small winch, with as little labor as it takes to wind up a jack, though the weight of the iron, tin, and wooden circle, is about 1000 Ibs. When made use of, a planetarium will be placed in the middle. The whole, with the floor,... | |
 | Cambridge (England) - 1830 - 350 pages
...conveniently sit around it. Although its whole weight is above 1000 pounds, it may be readily turned round by a small winch, with as little labour as it takes to wind up a common kitchen-jack ; and when in mo-- tion, presents to the spectator the actual appearance^ the relative... | |
 | Thomas Dick - 1845 - 608 pages
...ecliptic and heliocentric orbits of the planets are dra«vn and the stars and constellations traced. The whole is turned round with a small winch, with as little labour as it takes to wind up a Jack, although the weight of the iron, tin, and the wooden circle is above a thousand pounds. This machine,... | |
 | Architecture - 1845 - 318 pages
...conveniently sit around it. Although its whole weight is above 1000 pounds, it may be readily turned round by a small winch, with as little labour as it takes to wind up a common kitchen-jack ; and, when in motion, it presents to the spectator the actual appearance, the... | |
 | Thomas Dick - Astronomical instruments - 1848 - 408 pages
...ecliptic and the heliocentric orbits of the planets are drawn, and the stars and constellations traced. The whole is turned round with a small winch, with as little labour as it takes to wind up a jack, although the weight of the iron, tin, and the wooden circle is above a thousand pounds. This machine,... | |
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... winch, with as little labour as it takes to wind up a jack, though the weight of the iron, tin, and wooden circle, is about 1000 pounds. 
