File:Palermo Ramsden Telescope.jpg
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PIAZZI, Giuseppe.
Della Specola Astronomica de’ Regi Studi di Palermo Libri Quattro.
Palermo: Reale Stamperia, 1792. First edition.
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Author
HISTORY OF THE TELESCOPE Main source: KING,H.C. (1955). The history of the Telescope.
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