Pratt & Whitney Threadding milling Machine, Features and Operations Manual 1902

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Pratt Whitney Threading Milling Machine, Introduction Manual Year (1902)
 
This Manual Covers Models:
6 x 14 Inch
This Manual Includes:
This book is a very old Pratt & Whitney Manual..
Thread Milling Machine.
This Manual Has  43  Printed Pages.
Year April 1902