Doit
Doit was an English mass unit. It was a Troy weight.
- 1 doit = 1/480 grain / grän = 0.135 milligrams
A dimensional chain was
A position on the Troy Pound was
literature
- R. Klimpert: Lexicon of coins, measures, weights, counting methods and time sizes. Verlag C. Regenhardt, Berlin 1896, p. 77.