Rotary table/dividing head calibration with theodolite

[John Garner]

Any news on your progress?

 

[eKretz]

I would be interested in following along if you discussed it here.

 

[Antarctica]

+1 - good topic

 

[greif1]

A note about damping grease; NYE makes some excellent versions. In optical instruments , it is hard to beat the silky smooth feel with the proper grease. I suggest you use the extra light damping grease, even medium has much more drag than you would expect.

 

[eKretz]

A note about damping grease; NYE makes some excellent versions. In optical instruments , it is hard to beat the silky smooth feel with the proper grease. I suggest you use the extra light damping grease, even medium has much more drag than you would expect.

Wasn't that you who said much the same thing in post #9? Don't feel bad, I've been developing a case of CRS for a while myself.

 

[R. Dan]

I have a question: would this "damping grease" be the same as or similar to the "braking grease" one would use on the barrel wall of a watch movement? Like the Moebius braking greases? https://www.moebius-lubricants.ch/en/products/greases

 

[John Garner]

I've heard both terms used, but don't recall ever hearing the same person use them both. I suspect your speculation that they describe the same product are right.