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![Pratt & Whitney Keller Type BL, Milling Machine Operator Instruction Manual 1951]()
![Pratt & Whitney Keller Type BL, Milling Machine Operator Instruction Manual 1951]()
Pratt & Whitney Keller Type BL, Automatic Tracer-controlled Milling Machine Operators Instruction Manual Year (1951)
This Manual Covers Models:
Type BL
This Manual Includes:
Installation
Lubrication
Maintenance
Electrical Operation
Operating The Machine
Keller Automatic Tracer (EL-32, Style 1 & 2)
Keller Profile Tracer –EL4-Style 1 (with Tungsten Contact Ring Assembly)
Photograph of Combination Tracer –disassembled for Adjustment Contacts
Photograph of Typical use of the Combination Tracer
This Manual Has 62 Printed Pages.
Year 1951
This Manual Covers Models:
Type BL
This Manual Includes:
Installation
Lubrication
Maintenance
Electrical Operation
Operating The Machine
Keller Automatic Tracer (EL-32, Style 1 & 2)
Keller Profile Tracer –EL4-Style 1 (with Tungsten Contact Ring Assembly)
Photograph of Combination Tracer –disassembled for Adjustment Contacts
Photograph of Typical use of the Combination Tracer
This Manual Has 62 Printed Pages.
Year 1951