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Astronomical instrument makers
Liang Lingzan
Su Song
Taqi al-Din Muhammad ibn Ma'ruf
James Gregory (mathematician)
Tycho Brahe
James Watt
William Spencer (navigational instrument maker)
John Browning (scientific instrument maker)
Jabir ibn Aflah
Richard of Wallingford
Jost Bürgi
Guo Shoujing
Shen Kuo
Yi Xing
Petrus Apianus
Abū Rayḥān al-Bīrūnī
Karl Guthe Jansky
Regiomontanus
Abd al-Rahman al-Sufi
Antonio Santucci
Pathani Samant
George Bassett Clark
James Simms
Abū Ishāq Ibrāhīm al-Zarqālī
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