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Old Die Stock

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Georgineer	07/11/2020 16:03:24
652 forum posts 33 photos	Here are some relevant pages from S. Tyzack's catalogue of about 1908.
Terry B	07/11/2020 18:38:58
22 forum posts 5 photos	ega As you can see from the photo the backplate at the rear of the die holder unscrews and the blue holder screws into the the holder instead of the backplate. The dies are adjusted by two grub screws that you can just see in the picture.
ega	07/11/2020 18:45:33
2805 forum posts 219 photos	Terry B: Thank you for the photos and for taking the trouble to explain.
Clive Foster	07/11/2020 19:54:26
3630 forum posts 128 photos	Running an E-Bay search a few minutes ago tuned up a Whitworth die set and stock of this style made by F.Armstrong, Bridgeport. The dies are of similar shape to those in Derek Lanes Warrior branded set but the dies and stock appear to have marks to set correct depth of cut. The stock has lines labeled C and S which align with simple lines on the dies. By eye it appears that setting the dies to the S mark gives a larger core diameter than when set at C. Presumably S is for first pass, starting cuts and C is for finishing. The set has guides bored to the correct daimetr for each thread. An obvious answer to the size setting problem. Albeit by modern standard a bit imprecise. Clive

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