Yes, you have it, David. M = Thousand, m = million.
MGs through the end of flat-glass tachometers in the TDs used M on the
tachometers. When the curved-glass tachs arrived, they were marked
2000,3000,etc.
Those of us who went to school in the slide-rule days learned Roman
numerals-none of this metric stuff then.
Bob
> On May 29, 2019, at 4:59 PM, David Breneman via Mgs <mgs@autox.team.net>
> wrote:
>
>
>> On Wednesday, May 29, 2019, 4:34:56 AM PDT, Dan DiBiase via Mgs < wrote:
>> On Tue, May 28, 2019 at 10:18 PM Robert's New iPad via Mgs
>> <mgs@autox.team.net> wrote:
>
>>> It had been installed ten years and 30M miles ago.
>> 30 million miles is decent wear for an MG clutch, I'd say..... ;-)
>
> Years ago, when I worked for Tacoma Screw Products, they were still using a
> card
> catalog to keep track of their warehouse stock. You'd frequently see the
> quantity of
> a keg of, say, 1/4" hex nuts written as "10M" meaning 10 thousand. When I
> asked
> "Why isn't that a K?" it was explained to me that since "M" was the Roman
> numeral
> for 1000, the notation made total sense. I think it's a practice specific to
> the hardware
> industry, dating from before WWII.
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