File:Hadley's reflecting quadrant.png

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Description Drawing of John Hadley's Reflecting Quadrant
Date
Source Hadley, “Hadley’s Octant.” Philosophical Transactions of the Royal Society, vol. 37, p. 147, 1731.
Author John Hadley

I added the English text identifying the parts along with curved arrows. The original alphabetic tags will be too small to see in a thumbnail.

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Date/TimeThumbnailDimensionsUserComment
current21:00, 25 September 2007Thumbnail for version as of 21:00, 25 September 20071,800 × 1,397 (83 KB)Michael Daly~commonswiki (talk | contribs){{Information |Description=Drawing of John Hadley's Reflecting Quadrant |Source=Hadley, “Hadley’s Octant.” Philosophical Transactions of the Royal Society, vol. 37, p. 147, 1731. |Date=1731 |Author=John Hadley |Permission= |other_versions= }}

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