NJ Internnational 8300 Simple Signal Circuit Theme_Coca-Cola 100 Piece Puzzle

100 Piece Puzzle

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NJ Internnational 8300 Simple Signal Circuit Theme_Coca-Cola 100 Piece PuzzleNJ International 8300 Simple Signal Circuit The NJ International Simple Signal Circuit is a control circuit and logic board for signal control on standard DC, DCC and AC powered railroads. It's set up for single track, bi directional operation and uses self adjusting optical sensors (sold separately). It operates all types of common anode signals. Simple Signal Circuits can be "daisy chained" to create a larger signaling system and the boards have