Hardening and Tempering

Hardening and Tempering
Fourth Revised Edition
Machinery’s Reference Series
Each Number is One Unit in a Complete Library of
Machine Design and Shop Practice Revised and
Republished From Machinery
Number 46
Contents
Modern Steel Hardening Plants – 3
Hardening Steel, by E. R. Markham – – 10
Pack-hardening Gages, by E. R. Markham – – 15
Forging, Hardening, and Annealing High-speed Steel, by W. J. Todd – – 19
Local Hardening and Tempering, by William a. Painter – 22
Electric Hardening Furnaces – 32
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