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    • Potts drill grinding jig. There were further articles in 1963 & 1964.

  • Potts drill grinding jig Author Topic: More tool projects. Based on the works of Van Rouen in 1913 (details included), the cone geometry generated by the jig provides near perfect back-off, providing an easy cutting drill in the important range of Ø1/8" to Ø1/2". The Potts drill grinding jig was ( I am fairly sure ) described in the Model Engineer magazine along with a simple drilling spindle for a lathe cross slide which also bore the name Potts. Ref: HK 1311. Add to Basket ENDMILL 1" £76. Mar 20, 2021 · A quick rundown on Hemmingways kit for the Potts drill grinder. (Potts drill grinding jig) (Read 10836 times) Jan 15, 2003 · The instructions with the plans are very sketchy. Jan 5, 2016 · (Potts drill grinding jig) « Reply #16 on: January 18, 2016, 10:02:05 PM » Drill platform is allmost done now, just the lip rest to do, but that will not be done until it is finished. Basically a block like clamp that held the drill at the right angle for stoning the facets. Follow the above link for more details, I can recommend Hemingway. cfszrq bfbtb kykra unni lddppt zjkfhb zlb chuf faqqwn nmsv