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Double-Acting Cylinder-Pump.
Patent for improvements in double-acting cylinder-pumps by making “the cages and check-valves detachable from the piston-cylinder without removing or disturbing either the casing or piston-cylinder and can be replaced in the same manner.” (Lines 18-22) Illustration in included.
Date:
April 22, 1902
Creator:
Arnold, Henry B.
System:
The Portal to Texas History