Vintage NOS "High Voltage" Mining Operation Warning SSP Sign hairpinlegs Details such as the dotted

Details such as the dotted hairline

Exhibits significant wear to both sides including scuffs

22" W x 22" D x 36" H

Stanley Pottery - Longton

Vintage NOS "High Voltage" Mining Operation Warning SSP Sign hairpinlegs Details such as the dottedPorcelain coated steel industrial safety sign reading "CRANES HIGH VOLTAGE HAZARD CHECK BOOM" with a bold upward directional arrow, executed in stark black and red on a white field for maximum visibility. Designed for use in active mining operations, the sign would have been positioned near crane pathways to warn operators of overhead electrical hazards and the need to check boom clearance. The typography is clean and highly legible, with strong