A History of Inventions, Discoveries, and Origins, Volume 2 (of 2)Note 577 — PRINCE RUPERT’S DROPS. LACRYMÆ VITREÆ.William Johnston translationHistoria Naturalis. Edit. secunda, Londini 1680, 4to, p. 37.◇Copy noteReturn to PRINCE RUPERT’S DROPS. LACRYMÆ VITREÆ.