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  1. Combining a 167 controller & 6-5906 bell button with a R-100 transformer

    O Scale
    I have a friend that has a Lionel R 100 transformer. He is using the 167 Controller with the whistle and reverse buttons for control. Recently he purchased a lionel steam engine with rail sounds and needs to install the 6-5906 sound activator button for the bell control. My question is, How...