Years ago I salvaged a porthole from the bottom of the harbour underneath the Shelly Bay hangers. An inch thick piece of very strong glass. That's been my go-to for lapping stuff. Just get hold of a variety of grits of wet and dry and away you go.
Years ago I salvaged a porthole from the bottom of the harbour underneath the Shelly Bay hangers. An inch thick piece of very strong glass. That's been my go-to for lapping stuff. Just get hold of a variety of grits of wet and dry and away you go.
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