WESTERN ELECTRIC SCR-68 AIRCRAFT TRANSCEIVER
See these pages and you will always remember those little thing in between the legs or on top of the wings
WESTERN ELECTRIC SCR-68 AIRCRAFT TRANSCEIVER
See these pages and you will always remember those little thing in between the legs or on top of the wings
Same concept but now 2 mini propellers that drive the fuel pumps of the worlds first passenger airplane (Koolhoven FK26 Limousine 1919), mounted just below the top wing
(hope below pic of a model can be seen; no good photos of the original plane that show them well)