Sumitomo Hamilton WWII CS-3B Mitsubishi G4M Betty Bomber 503rd Air Force Japanese Airplane Propeller Blade

One of a kind Airplane Propeller Blade from the Estate of POW Colonel Frank H. Collins. Off of a Mitsubishi G4M Bomber and signed by the members of the WWII 503rd AFF Base Unit. About the Propeller Blade This is a Hamilton Standard Licensed propeller manufactured by the Propeller Division of Sumitomo Metal Industries in Japan during WWII.   The decision to license these propellers to Japan prior to WWII was motivated by Hamilton Standard's desire to expand its business and generate revenue, as well as to promote international cooperation and peace.  At the time, the United States and Japan had not yet become enemies, and there was hope that economic ties between the two countries could help prevent war.  However, as tensions between the United States and Japan increased in the years leading up to the war, the decision to license propeller technology to Japan came under scrutiny. Some critics accused Hamilton Standard of helping Japan build a stronger military, while others argued that