Leeds & Northrup Vaocarb-Hump"Heat Treatment of Steel" Reference Manual Yr. 1943

http://www.industrialmanuals.com/leeds-northrup-vaocarbhumpheat-treatment-steel-reference-manual-1943-p-1377.php

Leeds & Northrup Vapocarb-Hump “Heat Treatment of Steel" Manual Year (1943)        

This Manual Covers Models:
Reference Information
Training
This Manual Includes:
Triple-Control Method
The Heat-Treat Becomes a Key-Point for Far-Reaching Savings
Triple Savings…Through Triple-Control
Vapocarb Atmosphere Control
Rate of Heating Control
Hump Control of Quench Point
Standard L&N Equipment
How the Hardener Applies the Method
Durable
Easy to Install
A Few Letters from Users
Equipment
Dimensions
Publications Describing Typical Uses of Standard L&N EquipmentThis Manual Has 36 Printed Pages.
Year 1943