1 grain = 6.480 centigrams.
1 ounce = 3.1103 dekagrams.
1 pound = 3.7324 hektograms.
TROY WEIGHT.
The American Printer: A Manual of Typography Containing practical directions for managing all departments of a printing office, as well as complete instructions for apprentices; with several useful tables, numerous schemes for imposing forms in every variety, hints to authors, etc. · 第 285 / 417 题