~ tracking down this book ~
only cover on file
Gnomonicks, or the Art of Shadows Improved. Plainly Set Forth in the Drawing of Sun-dials on All Sorts of Planes by Different Methods. with the Geometrical Demonstrations of All the Operations
1709108 pages~2h read
only cover on file
Gnomonicks, or the Art of Shadows Improved. Plainly Set Forth in the Drawing of Sun-dials on All Sorts of Planes by Different Methods. with the Geometrical Demonstrations of All the Operations
1709108 pages~2h read
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