MMil The Typhoid Poison. Pure Air Indicator. Stolen Secrets. The Secretion of Pure Aqueous Formic Acid by Lepi dopterous Larvae for the Purposes of Defense. BY E. B. POULTOpT. Read before the British Association. Drawing on Glass. Greenish-Brown Patina for Brass and Bronze. A Practical ItIan's Experience with Steel. the fireman is practically master of the flames., scientific american, 1888-01-28

---

MMil The Typhoid Poison. Pure Air Indicator. Stolen Secrets. The Secretion of Pure Aqueous Formic Acid by Lepi dopterous Larvae for the Purposes of Defense. BY E. B. POULTOpT. Read before the British Association. Drawing on Glass. Greenish-Brown Patina for Brass and Bronze. A Practical ItIan's Experience with Steel. the fireman is practically master of the flames., scientific american, 1888-01-28

---

Size: 3316px × 4614px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1888-01-28, acid, air, american, analysis, aqueous, association, brass, british, bronze, defense, developments, discovery, dopterous, drawing, education, experience, experiment, fireman, flames, formic, glass, greenish-brown, health, indicator, insights, itian, lab, larvae, lepi, magazine, master, mind, mmil, patina, poison, poultopt, practical, practically, publication, pure, purposes, read, research, sa, sciam, science, sciences, scientific, scientist, secretion, secrets, steel, stolen, sustainability, tech, technology, typhoid, weekly