My first loco was a 2025 with 4 wheel trailing truck and no magnetraction which leads me to believe it was produced in 1952. However, I remember it having a smoke bulb. Basically the only time it would dissolve a smoke pellet would be if the loco was placed in neutral and voltage was cranked up— Then a trickle of smoke would rise from the stack. My trains were lost in a house fire when I was 12 so I only have memory to go on but this has been puzzling me since I returned to the hobby 40 years ago. Could this have been done at a service center? As far as I know the smoke bulb was used in 1946 only. I appreciate any light that can be shed on this mystery.
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