How to Build an Astrolabe
1524
The astrolabe was a very important instrument in the late medieval and early renaissance periods. It was used for both astronomical and navigational measurements. Johann Stöffler's book on the astrolabe gives instructions on how to build and use this instrument.

Illustration from:
Elucidatio Fabricae Vsusque Astrolabii by Johann Stoeffler, Oppenheim: In Aedibus Iacobi Cobelli, 1524. The copy owned by the Linda Hall Library is bound with Calendarium Romanum Magnum, 1518.