 | Encyclopedias and dictionaries - 1816 - 746 pages
...complete femicircles, the northern ends of which are fcrewed to a large round plate of brafs, with an hole in the centre of it ; through this hole, from...ceiling, comes the north pole, a round iron rod, about three inches long, and fupports the upper parts of the fphere to its proper elevation for the latitude... | |
 | George Alexander Cooke - England - 1817 - 318 pages
...northern ends •of which are screwed to a large round plate of brass, with a hole in the centre ot it: through this hole, from a beam in the ceiling, comes the north pole, a round iron rod, about three inches long, and supports the upper part of the sphere to its proper elevation to the latitude... | |
 | John Mason Good - 1819 - 800 pages
...frame of the sphere consists of a number of irou meridians, not complete semicircles, the noithcrn ends of which are screwed to a large round plate of...it; through this hole, from a beam in the ceiling, cornes the north pole, a round iron rod, about three inches long, and supports the upper parts of the... | |
 | Encyclopedias and dictionaries - 1823 - 856 pages
...Pembroke-hall, erected a sphere of 1 8 feet diameter, wherein above 30 persons may sit conveniently ; the entrance into it is over the south pole by six...from a beam in the ceiling, comes the north pole, .1 round iron rod, about three inches long, and supports the upper parts of the sphere to its proper... | |
 | James Mitchell - Mathematics - 1823 - 666 pages
...feet diameter, wherein thirty persons may sit conveniently ; the entrance into it is over the *outh pole, by six steps; the frame of the sphere consists...ceiling, comes the north pole, a round iron rod, about three inches long, and supports the upper parts of the sphere to its proper elevation for the latitude... | |
 | 1825 - 162 pages
...Cambridge. This sphere is eighteen feet in diameter, wherein above thirty persons may sit conveniently. The entrance into it is over the south pole by six...ceiling, comes the north pole, a round iron rod, about three inches long, and supports the upper part of the sphere to its proper elevation to the latitude... | |
 | Thomas Curtis (of Grove house sch, Islington) - 412 pages
...Hall, erected a sphere of eighteen feet diameter, wherein above thirty persons may sit conveniently; the entrance into it is over the south pole by six...ceiling, comes the north pole, a round iron rod about three inches long, and supports the upper parts of the sphere to its proper elevation for the latitude... | |
 | 1838 - 1050 pages
...the south pole by six steps ; the frame of the sphere consists of a number of iron meridians, not cut complete semicircles, the northern ends of which are...ceiling, comes the north pole, a round iron rod about three inches long, and supports the upper part of the sphere to its proper elevation for the latitude... | |
 | Thomas Dick - 1845 - 608 pages
...over the South Pole, by six steps. The frame of the sphere consists of a number of iron meridians, the northern ends of which are screwed to a large...ceiling, comes the north pole, a round iron rod about three inches long, and which supports the upper part of the sphere, to its proper elevation for the... | |
 | Thomas Dick - Astronomical instruments - 1845 - 644 pages
...over the South Pole, by six steps. The frame of the sphere consists of a number of iron meridians, the northern ends of which are screwed to a large...ceiling, comes the north pole, a round iron rod about three inches long, and which supports the upper part of the sphere, to its proper elevation for the... | |
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Hall, erected a sphere of eighteen feet diameter, wherein above thirty persons may sit conveniently; the entrance into it is over the south pole by six steps ; the frame of the sphere consists of a number of iron meridians, not complete semi-circles,... 
