Re: C to B 9" workshop conversion.

john kling

With say a cylinder it easy for me to think of some simple measurement say with a dial gauge to determine accuracy.   How is accuracy specified for a lead screw? I am not a machinist but a statistician/ economist by training.

From: Gregg Eshelman
To: southbendlathe@...
Sent: Sunday, November 3, 2013 10:24 PM
Subject: Re: [southbendlathe] Re: C to B 9" workshop conversion.

On 11/3/2013 1:55 PM, Steve Wells wrote:
> John, if you are referring to the apron lead screw, there were three
> specs: standard; tool room and military. the military spec being the best.

Would a 9" originally purchased by the corps of engineers in 1952 be
military spec?

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