Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 62
these instruments as givenin Sir David Brewsters excellent memoir of Brahe, inMartyrs of Science :— Jn the SofitJi and gieater OhseriKitory. 1. A semicircle of solid iron, covered Avith brass, four cubits radius. 2. A sextant of the same materials and size. 3. A quadrant of one and a half cubils… … Fig. 15.—Portrait of Tyclio Brake (from original painting in the possession ufDr. Crompton, of Manchester). I CHAP. IV.] TYCHO BRAKE. 41 7. Zodiacal armillaries of melted brass, and turned out of the solid,of three cubits in diameter. jSTear this observatory there was a large clock with one wheel…
Astronomy · Telescopes
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