Set of Train Linkage Salesman Samples by Major vintage illustration Antique japanned copper bulb socket

Antique japanned copper bulb socket manufactured by Federal Electric as evidenced by maker's mark

MM - C-11079 - 092524

The boarder of this tin features a greek style design and the bottom of this tin features writing

This piece advertises Jacob Haish's wire company

Set of Train Linkage Salesman Samples by Major vintage illustration Antique japanned copper bulb socketPair of cast metal salesman's models showing the internal action and locking geometry of the Major automatic rail coupler. These small scale training pieces were built for shop floors, instructional classrooms, and yard offices allowing crews to visualize how knuckles, locks, and pivot points engaged before handling the full size equipment in the field. Each model is mounted to a steel base plate and retains working mechanical motion, clearly