Astronomical instruments in 15th century

Used by Copernicus and other astronomerd in 15th century. Before the telescope.

Jagiellonium university museum

Frombork castle

Sundial

Triquetrum（parallaticum) 三角儀，視差儀, Ptolemy's ruler

Armillary sphere 

Quadrant

Torquetum 赤基黃道儀

Reference

Copernico eu

Umk pl

Alma mater 241 

Marcin Bylica 

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