Out Of The Blue Artifacts A Library of a lifetime of collecting
Ring Bolts.
A pile of ring bolts.
Made from iron. Size 5″ x 1 1/4″ inches.
These bolts were used to connect ring plates to the ring (roof arches) below ground.
Ring Bolts.
A pile of ring bolts.
Made from iron. Size 5″ x 1 1/4″ inches.
These bolts were used to connect ring plates to the ring (roof arches) below ground.