Hedraeus, Benedictus. **E189.37 Nova et accurata astrolabii geometrici structura, ubi gradus, horumque singula minuta prima, nec non, quadrantis astronomici azimuthalis, quo non solum prima, sed & singula minuta secunda distincté observari possunt. Una cum utriusque usu, claris & perspicuis exemplis illustrato. —  Lygdvni Batavorvm, ex officina Wilhelmi Christiani Boxii. Sumptibus auctoris. 1643. (16), 104, (31) pp. Plates. Dia- grams. Tables. 15 cm., in 8s.
This card was printed at the Boston & Public Library, December 8, 1928.
Ns5642 — Astrolabe. — Azimuth.