Another Formula for Epee Ink

Item

Title
Another Formula for Epee Ink
Date
May 27, 1937
volume
2
issue
9
page start
3
page end
3
Language
English
content
en ANOTHER FORMULA FOR EPEE INK

Dr. Henry J. Zettelman, of Northwestern University, sends us the following formula which he has found to be the best so far:

NaOH — gr. [indecipherable]
Phenolphthalein — z [indecipherable]
Kaolin — z [indecipherable]
Water — m [indecipherable]
Glycerin — z [indecipherable]