Reply to "Sourcing Block Control Components"

John DeAltoOGR Forum Member

I was able to get hands on 72 ITT Phone Relays 12 volt DC, 4 Pole Double throw and plastic enclosed casing . Only had one fail in Twelve years. I used them for my Subway Signals System on my Train Board. I purchase them from Blair Electrics. in NYC.

There longer around.

They had some very good available items for surplus back then.

Good luck, John

12/29/1512:53 PM

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