Note 12 — Chapter VII · DEVELOPMENT.
Reading edition
Roscoe’s Chemistry:—
Lessons 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, and potassium, sodium, and ammonium in lessons 19, 22, 23; chromium and uranium in lesson 25; mercury, silver, and platinum in lessons 26, 27, and 28.
“Photography with Emulsions:”— Caps. 1, 2, 3, 5, 6, 7, 8, 9, 22, 24, and 31.