Set of Train Linkage Salesman Samples by Major vintage illustration MM - 11591 - 101724

MM - 11591 - 101724

This piece advertises Jacob Haish's wire company

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

MM - 6417 - 113023

and Arthurian legend

Set of Train Linkage Salesman Samples by Major vintage illustration MM - 11591 - 101724Pair 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