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Older style General Railway Supply and Union Switch & Signal relays are mechanical fascinations in some respects. The glass globes allowed for easy inspection along with keeping dust and dirt out. These are some early examples of American craftsmanship and ingenuity. The following are some styles used by the railroads for different purposes. Click on one to view a larger image.

Style 8 Vane Line Relay Style CD DC Code Following Relay
Style L10 DC Relay Style NF DC Flasher Relay
Style 13 DC Relay Style FN-16 DC Flasher Relay
Centrifugal Frequency Relay Back View
US&S H2 Searchlight Signal Mech(front/rear) Rear view with light removed
GRS SA-1 Searchlight Signal Mech(front/rear) Rear view with light removed
GRS Model 9 GRS Model 9 (side view)
US&S ANL 30 Relay GRS Style KB Timer Relay
US&S Motorman Indicator (front view) US&S Motorman Indicator (rear view)




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