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Books Books 1 - 10 of 20 on ... winch, with as little labour as it takes to wind up a jack, though the weight....  
" ... 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. "
Dictionary of the Mathematical and Physical Sciences, According to the ... - Page 209
by James Mitchell - 1823 - 576 pages
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Travels Into Poland, Russia, Sweden, and Denmark: Interspersed with ...

William Coxe - Europe, Northern - 1785
...are propofed to ". follow : the whole is turned round with a fmall winch, with as little labour <c as it takes to wind up a jack, though the weight of the iron, tin, and '* wooden circle, is about a thoufand pounds. When it is made ufe of, a •* planetarium will be placed in the middle thereof. The...
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Travels Into Poland, Russia, Sweden Et Denmark, Volume 3

William Coxe - 1787
..." 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 a jack, though the weight <c of the iron, tin, and wooden circle, is about a thoufand " pounds. When it is made ufe of, a planetarium...
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Encyclopædia Britannica: Or, A Dictionary of Arts ..., Volume 10, Part 1

Colin Macfarquhar, George Gleig - Encyclopedias and dictionaries - 1797
...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 1000 pounds. When it is made ufe of, a planetarium will be placed in the middle thereof. The whole,...
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Travels into Poland, Russia, Sweden and Denmark, Volume 3

William Coxe - 1802
...pole j 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...weight of the iron, tin, and wooden circle, is about a thoufand pounds* When it is made ufe of, a planetarium will be placed in the middle thereof. The whole,...
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Travels in Poland, Russia, Sweden, and Denmark: Illustrated with ..., Volume 3

William Coxe - Europe, Northern - 1802
...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 a jack, though the weight of <&he iron, tin; and wooden- circle, is about a thoufand pounds. When it is made ufe of) a planetarium...
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Exercises on the globes

William Butler - 1803
...globe is a reprefentation of the heavens,., having the fixed ftars described upon it in their «• with as little labour as it takes to wind up a jack,...weight of the iron, tin, and wooden circle, is about a ** tTioufand pounds. When it is maie ule of, a planetarium " will be placed in the middle thereof....
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New Cambridge Guide; Or, A Description of the University, Town, and County ...

Education - 1804 - 130 pages
...conveniently sit within it. The entrance to it is by six steps ; and the whole is turned round by a fmall winch, with as little labour as it takes to wind up a jack, though its weight altogether is above lOOOpouacis. This curious machine is now pinch damaged, and fast falling...
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A Guide Through the University of Cambridge: ...

1808
...constellation* and stars traced. The constellations may he ohserved in their respective situations. The whole is turned round with a small winch, with as little lahour as it takes to wind up a jack ; though the -weight of the iron, tin, and wooden circle, is ahove...
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The Beauties of England and Wales, or, Delineations, topographical ..., Volume 2

John Britton, Edward Wedlake Brayley, Joseph Nightingale, James Norris Brewer, John Evans, John Hodgson, Francis Charles Laird, Frederic Shoberl, John Bigland, Thomas Rees, Thomas Hood, John Harris - Architecture - 1809
...constellations are proposed tn follow. The whole is turrtA round with a small winch, with as little l.<hor as it takes to wind up a jack : though the weight of the iron, tin, and wooden ciiclf, is above toco pound* When it is made use of, a planetaiium will be placed in the middle thereof;...
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Encyclopædia Britannica: or, A dictionary of arts and sciences, compiled by ...

Encyclopaedia Britannica - 1810
...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 1000 pounds. When it is made ufe of, a planetarium will be placed in the middle thereof. The whole,...
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