Glossary

gr. abbreviation for grain

grain
Unit of weight in the U.S. Customary System, an avoirdupois unit equal to 0.0022857 ounce (0.065 gram)

1 pound = 7000 grs.

1 ounce = 437.5 grs.

Reference:
The American Heritage® Dictionary of the English Language,
Third Edition copyright © 1992, Houghton Mifflin Company

_____________________________________________________________________

Read ALL instructions carefully before beginning.