Re: filters

Gordon (hlg@pacbell.net)
Sat, 27 Feb 1999 14:18:49 -0800


- - - - - - - - - - - - - - - - - - - - - - - - - - -
West Wight Potter Website at URL
http://www.lesbois.com/wwpotter/
- - - - - - - - - - - - - - - - - - - - - - - - - - -
>Talking filters now......Does anyone know what a "micron" is?
>is 25 microns bigger or smaller than 20 microns?

A micron is one millionth of a meter. Standards authorities consider
"micron" archaic and prefer "micrometer" in order to be consistent with the
metric system. So 25 microns (micrometers) is larger than 20 microns.

Harry Gordon
P14 #234, Manatee
Mountain View, CA

(Retired technical editor)