On Sat, 18 Feb 2006, Dwayne Reid wrote:

> At 07:41 PM 2/17/2006, Gerhard Fiedler wrote:
>
>> If one can't sensibly distinguish (abbreviated) millifarad from microfarad,
>> how can one distinguish milliampere from microampere? Or, the other way
>> 'round, if one can distinguish milliampere from microampere, why can't one
>> distinguish millifarad from microfarad? It is correct that capacitors in mF
>> ranges (or F ranges) were rare twenty (or fifty) years ago, but so were
>> SOIC cases. I just use them, and call them what they are.
>
> Some of the (really) old schematics I used to deal with were pretty 
> consistent:  they contained both "mf" and "mmf" designations.  But I don't 
> remember that usage continuing past the mid 1960's.

But what is a 'cm' ? There used to be schematics with 'cm' units on 
caps. What is a 'cm' ?

Peter
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