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Five lower quadrant spectacle and square blade assemblies appropriate for Boston & Maine train order semaphore signals. S scale.
Cleaning the parts: Spray Simple Green household cleaner on one side of the part. Using an old toothbrush, gently scrub the surface of the part for about 30 seconds. Repeat for the other sides and edges. Once the part has been scrubbed, use dishwashing detergent and a brush under cool water to remove all traces of the Simple Green and waxy residue. Next, rinse the part in cool water. Finally, dry the part with a hair dryer on the cool setting, with compressed air, or just allow the part to air dry. The part is then ready for use.