A reveal pin is a device embodying a screw-jack, used in erecting tubular scaffolding in order to secure a puncheon into a window opening for the purpose of tying-in the scaffold to the building. Found on http://www.probertencyclopaedia.com/browse/TR.HTM
A reveal pin is a device embodying a screw-jack, used in erecting tubular scaffolding in order to secure a puncheon into a window opening for the purpose of tying-in the scaffold to the building.