This unusual flexible track was granted patent 2196257 to William Dubilier, April 1940, and may be viewed online. The accompanying diagrams are reproduced below.
Track patent, William Dubilier, April 1940 |
Track patent, William Dubilier, April 1940 |
L.B. Track leaflet |
L.B. Track leaflet |
L.B. Track leaflet |
L.B. Track leaflet |
L.B. Track box lid |
L.B. Track box lid |
L.B. literature addressed to Louis Hertz, Model Craftsman magazine, July 17, 1946 |
L.B. literature addressed to Louis Hertz, Model Craftsman magazine, July 17, 1946 |
L.B. literature addressed to Louis Hertz, Model Craftsman magazine, July 17, 1946 |
L.B. literature addressed to Louis Hertz, Model Craftsman magazine, July 17, 1946 |
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