Lewis Propeller age

[Dwight]

Does anyone have information that correlates Serial Nos. with manufacturer date for Lewis propellers?
Dwight

[Dbahnson]

As far as I know, only Sensenich has published data correlating serial numbers with dates of manufacture, and even then they only have it from 1942. The first ten years of manufacturing (1932 to 1942) is not included in their listings.