FORSTER BROTHERS MODEL AIRPLANE ENGINES, LOT OF TWO, die-cast construction, cylinder case bypass with bolted on plaque embossed "FORSTER BROS", one example's venturi fitted with a throttle, each exhaust tip slanted, each impressed with a serial number including "677" and "3723" to the edge of mounts, each fitted with an AC spark plug. One crankshaft turns freely, SN677 example's crankshaft is frozen, and each is untested for functionality. Circa 1938. Engine 5 1/2" x 5 3/4" overall.
Literature: Parallels Dannels - American Model Engine Encyclopedia, p. 78, fig. 10.
Provenance: From the collection of Fred Kaiser, East Sandwich, MA.