Grinding wheels
Subtitle: simplified practice recommendation R45-47 (supersedes R45-39) issued July 1, 1947
Edition: 5th revision].
Publisher: Grinding Wheel Manufacturers Association
Published: 1947
Place of publication: Worcester, Mass
Language: eng
Number of pages: 83
Subjects: Grinding machines
Notes: A recorded voluntary recommendation of the trade.

This ed. includes all data contained in the official 1947 government ed., and is pub. with permission of the Bureau of Standards, Division of simplified practice.