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John, that manual you graciously sent me is a great resource.
I hope that McCrosky is worth that! If so I can update my balance sheet.
I'm probably about to take the square turret apart. It feels...

Mr. John, I've been fooling with the 4A, it has the Leader and Follower attachment for threading, the L & F both read "Will Cut 2-8 TPI." I hope to find a set that'll cut 7 T.P.I., as most cable tool...

Thank you! This helps!

I figure my heirs will get scrap price for all this. I spent 40 years on a West Texas cotton farm, my community tends to be irrationally optimistic.

Aejgx6, ~$200/ton, it oughta be worth that.
The gentleman that helped me move mine has lots of experience dealing with Asian manufacturing interests. He said 30 years ago everyone junked the old...

Thank you johnoder! The 4A has a taper attachment, and the previous owners (all deceased) were threading 8V pipe threads. The 4A doesn't have a threading gearbox though. Wish me luck figuring that...

Thank you Aejgx6! Those on vintagemachinery.org will help tremendously, and with no chance of buyers remorse.
Right now, I have some 31' drillpipe to shorten to 20'. Maybe bore the cylinders on a...

I'm about to get my 3-A and 4-A powered up.
I've been told these were built in 1934. There are a couple of manuals on eBay, printed in 1940~1941, will these be good for my machines?
Or am I...