The Mirror of Literature, Amusement, and Instruction - Volume 14, No. 400, November 21, 1829 by Various
page 29 of 52 (55%)
page 29 of 52 (55%)
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painted in the middle.
The fifth piece likewise upon 4 iron supporters, was a globe of about 12 inches diameter, cut into 14 planes, viz. 8 triangles, equal and equilateral; and the other 6 were equal squares. The dials on these planes showed the usual hour by the shade of a fleur-de-lis fastened to the top or bottom of each plane. The last, or top piece of the pyramid, was a glass bowl of 7 inches diameter, upon a foot of iron. The north side of this piece was thinly painted over white, that the shade of a little golden ball, placed in the middle of the bowl, might be seen to pass over the hour-lines which were drawn upon the white colour, and noted the hour. The bowl was included between two circles of iron gilt, with a cross on the top. Such is a general description of the parts or divisions of this very curious Dial. To which may be added that the first four pieces had all their sides covered with little plates of black glass, first cemented to the said pieces, except those places whereon the dials were drawn; which being also covered with plates of polished glass, nearly the whole of the outside of the dial appeared to be glass; the angles or corners being elegantly gilt, as were in part the iron work of the pyramid, supporters, branches, styles, &c. We have abridged and in part rewritten this explanation from upwards of six closely-printed 4to. pages. After the general description, in the original tract, the different sections or parts of the dial, 73 in number, are still further explained, and illustrated by 17 plates, besides a vertical section, of which last our Cut is a copy. Perhaps these details would tire the general reader, and on that account we do |
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