ELF ENGINE CO. MODEL NO. 10 MODEL AIRPLANE ENGINES AND PARTS, LOT OF APPROXIMATELY 30 ARTICLES, (updated 9/14/2022), each with embossed "ELF" to the crankshaft case end, assorted series including possibly Series 3A, 3B and a 4B; 3A and 3B examples with a serial number impressed to the crankshaft case including "423" and "522", each fitted with a plastic fuel tank; series 4B series with two disassembled stand legs, and crankshaft case end impressed "TPB" for Ted P. Belcher, with no serial number located; each fitted with a slanted Champion spark plug. Each example's crankshaft turns freely and is untested for functionality. Along with 30 assorted bags of parts from a container marked for Elf .097, .138 and of unknown association, parts include crankshaft and case articles, fuel tanks, gaskets, needle valves, propeller nuts, exhaust, bolts, and washers. 20th Century. 2 1/2" x 3 3/4" overall.
Provenance: From the collection of Fred Kaiser, East Sandwich, MA.