Sensenich Propeller of Piper L-4 registered in France. Photo by Konrad Stasiczek. Many Thanks!

Propeller of BENZ FX aero engine, 105 HP (77 kW). Mercedes Museum, Stuttgart (entry 2022). The propeller has pressed name WOLF as indicated producer, however likely being replica. Pitch is indicated as H=110, diameter D=250(?). The FX was the first aero engine...

Propeller of Mercedes  D III engine, 170 HP (125 kW). Mercedes Museum, Stuttgart (entry 2022). Producer of the propeller is unknown, may be replica as well. Propeller has markings, indicated power is 160 HP. Mercedes DIII and subsequent DIIIa recorded the highest...

Bristol Propeller on Bristol F2B Fighter aircraft Photo: R. Wróbel. Muzeum Lotnictwa Polskiego, Kraków, Bristol F2B Fighter, Propeller manufactured by Bristol, for Hispano Suiza 300 HP engine. Diameter 2690 mm, pitch 2060 mm. Propeller installed on this particular...

Axial propeller, (with most likely replicated decals, Fokker Dr. I Gatow - Berlin Gatow Luftwaffe Museum, Photo: M. Peikert

Photo M.Peikert. Picture taken during Warsaw Exhibition (January 2009) dedicated to Achievments of Poland 1918-1939. Propeller Integrale - Szomański Warszawa, Poland, Spad 61 borrowed from MLP Cracow. Originally coated by laque, all-ash, every second ply most likely...

Close view to the prop of Tiger Moth, MLP Cracow. Markings: DRG LA304D4 GYPSY ?? MAJOR D 6-5 P.4 58 LHT Is there anyone who can identify producer and decode markings except the engine name and prop diameter of 6.5 feet? 4.58 most likely stands for pitch in feet....

Water excavation: the propeller of Lublin R-VIII (October 2015). The propeller was unique for Polish constructions of this period: a huge (4,2m; 85 kg!) fully metal  one; produced in France by Pierre Levasseur, working with Hispano Suiza 650HP engine. Photo presented...

Puck, Pierre Levasseur, Lublin R-VIII, shortly after finding, photo presented thanks to Jacek Dzienisiuk!

Photo: R. Pietracha. Madrid, Fieseler Fi 156 Storch, propeller and the Rupp hub. The propeller had 4 centering holes at the engine's side and was mounted by single central nut. Fieseler Storch was one of few German aircraft (and probably the last one) utilizing ...

FB entry of famous aviation histographer Robert Gretzyngier. Picture taken during Lublin Fairs Militaria on 19.10.20109. It looks like someone is in possession of a half of Szomanski propeller designed for polish built LWS 3 Mewa observer aircraft. Congratulation!

Propeller of Consolidated B-24 Liberator. Monument to commemorate the aircraft crash and the death of  Polish Commander-in-chief, General Władysław Sikorski. Photo by Konrad Gawron (2023). Many Thanks!