Remnants from my Great-grandfathers auto shop which ceased operation in 1939 when he passed away.

This is an Alemite Lubricator Grease Gun.
It is correct for the Tool kit that came with the 1929-1933 Chevrolet Vehicles.
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The grease gun is stamped:
ALEMITE LUBRICATORS CO

The fittings are stamped:
Alemite
Made in USA
Patented 6-24-1919