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This crossing is a double crossing, with three signals with 12"x20" lights, and one signal having 8" Griswold lights. The three bells pictured are Griswold/RACO mechanical bells. The other 4th signal is unknown. All four gates are of the EM design.

In picture 2, the 8" griswold lights turn off when the gates rise. The other 3 signals light patterns when rising were not told to me.

This double crossing setup is the setup where three signals activate, and both front and rear lights flash on the outer signals, and the inner signal on the track where the train is crossing. The fourth signal stays inactive. No lights, no bell, and the gate stays up, as seen in picture 1.

The two closest signals in picture 1, and the signal in pictures 4 and 5 are the 810896P crossing.

The 8" signal, and the other unpictured signal (12"x20" EM gated signal) are the 746936L crossing.