Sulfuric acid the Hellenistic alchemical works of Zosimos of Panopolis, in the treatise "Phisica et Mystica", and the Leyden papyrus X. Medieval Islamic era alchemists, Jābir ibn Hayyān (c. 721 – c. 815 AD, also known as Geber), Razi (865 – 925 AD), and Jamal Din al-Watwat (d. 1318, wrote the book "Mabāhij al-fikar wa-manāhij al-'ibar"), included vitriol in their mineral classification lists. Ibn Sina focused on its medical uses and different varieties of vitriol. Sulfuric acid was called "oil of vitriol" by medieval European alchemists because it was prepared by roasting "green vitriol" (iron(II) sulfate) in an iron retort. There are
Today is Friday Today is Friday Today is Friday is a short, one act play by Ernest Hemingway (1899-1961). The play was first published in pamphlet form in 1926 but only became more widely known through its subsequent publication in 1927 in the short story collection, Men Without Women. The play is a representation of the aftermath of the crucifixion of Jesus, in the form of a conversation between three Roman Soldiers and a Hebrew bartender. There is no record of the play having been performed. It is also one of the few dramatic works written by Hemingway. There is very little published