Airplane Fuels and their Effects on Engine Performance Book, NAVAER, USAF 1951

This instructional reference was published in 1951 by the Ethyl Corporation under joint contract by the US Navy's Department of Aeronautics and the US Air Force.  The manual reviews aircraft engine performance and the effects of different fuels and fuel characteristics. It is an exceptional reference as a primer and as a reference for those with a cursory knowledge of aviation fuels of that era.  At 145 pages, it is filled with tables, charts, and illustrations, and in good condition given its age.