Apothecaries weight
20 grains = Scruple
3 Scruples = dram
8 drams = oz-
16 oz = lb-

60
8 gr
480 = oz-

Notebook: 19 cm x 15.5 cm; each page: 18.1 cm x 15.2 cm

From the Hooper-Adams papers
This web presentation is comprised of:
Image 1: Inside front cover
Images 2-20: Lists of photographs, pages 1-19
Image 21: "Recipe," page 34
Images 22-23: Notes on A Treatise on Photography, pages 35-36
Images 24-25: Notes on "Pysogallic acid," pages 37-38
Image 26: Inside back cover

[Pages 20-33 are blank and are not included in this web presentation.]