Potter & Johnston 6D, Automatic Chucking & Turning Machine Operators Manual 1929

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Potter & Johnston 6D, Automatic Chucking & Turning Machine Operators Instruction Manual Year (1929)   

This Manual Covers Models:
6D
6DRE
6DREL
6DRELX

This Manual Includes:Bulletin No. 125
For Setting Up and Operating 6D Model (with Roller Bearing Headstock)
Mechanical & Electro-Pneumatic Control
Functional Illustrative Diagrams with Part Identification
This Manual Has 22 Printed Pages.