This article is from the Model Trains FAQ, by Christopher D Coleman with numerous contributions by others.
Some basic parts can be found at your local hardware or electronics
store.
Light bulbs:
Lionel # GE # base type Radio Shack #
47-300 47 6.3V bayonet 272-1110
50-300 50 7.5V miniature screw 272-1133
52-300 52 14V bayonet 272-1117
53-300 53 14V miniature screw 272-1127
 
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