Building: Machine Shop
Machine Power: belt
HAER Map Key: I
Date Built: unknown
Manufacturer: J. S. Wheeler and Company
Model: unknown
Serail Number: unknown

This machine is essentially a specialty lathe for maching the inside surface of a brake cylinder. These cylinders convert air from a car's reservior to braking power by pushing brake shoes against the wheel treads. Plate:

J.S. WHEELER & CO.
MAKERS
WORCHESTER MASS.
STUD SCREW CUT
50 - - 2.0 - - 2
50 - - 3.0 - - 3
...

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