1938 HAMILTON Standard Propellers Constant Speed Control Service Manual 121-A 

Installation, Operation and Maintenance Instructions.

Overall in good condition.

Cover has wear and dirt from storage and use.

Inside pages in good condition overall.

Paperback.59 pages. Dated March 1, 1938. Number 121A.

A good original reference item.

Please look at the pictures closely to understand and verify what you are buying.