Quoting ivp <joecolquitt@clear.net.nz>:

> The client has indicated he'd like the slider moved by a brass crank. !!!!
> This probably means that the slider will be on a lead screw and several
> turns of the crank will move the pointer from one item to the next

Well, if you say lead-screw, then the CNC guys will tell you to stick  
an encoder on the end.

But then that also makes me think of a DRO scales.  The scales  
apparently put out serial info as to their position.  This is an  
example of one...  
http://littlemachineshop.com/products/product_view.php?ProductID=2016

Cheers,
-Neil.


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