Check the listing for details. Eclipse No. 36 Chisel/Plane‑Iron Projection Gauge — Sheffield, England, c.1965. Condition: Used. Listed at 25.00 USD. The “36 – Made in England” stamp and UK Patent 924579 place this example in the early–mid 1960s, shortly after the patent was issued. The engraved table shows the correct projection distances (20–50 mm) for achieving common bevel angles.