1 ounce = 2.835 dekagrams.
1 pound = 4.5359 hektograms.
AVOIRDUPOIS 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 284 / 417 题