Re: Micrometer responses

[Phil Ethier <ethier@freenet.msp.mn.us>]

On Monday, 16 Dec 1996, Michael Sloane wrote:

> I bought a set of bore gauges (the kind that are spring-loaded telescoping
> rods with locks for checking cylinder bores) from Harbour Freight for about
> $25. They seem to work fine for the handful of times/year that I need to
> check cylinder bores.

T-gauges are neat, and a whole lot more accurate than one might think, 
but they can be fooled.  They only measure at two points, and you can 
miss an out-of round condition.

Phil