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Summary
DescriptionTycho transversal scale.JPG
English: Drawing of the transversal scale in Tycho Brahe's quadrant, divided by means of transversal points so that five seconds of arc could be read on it. -copied from Astronomiae Instauratae Mechanica- (the radius of Tycho's quadrant was about 2 meters)
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{{Information |Description ={{en|1=Drawing of the transversal scale in Tycho Brahe's quadrant, divided by means of transversal points so that five seconds of arc could be read on it. -copied from Astronomiae Instauratae Mechanica- (the radius of Ty...