[ARC5] The BC-221 low frequency tank circuit puzzle.
Richard Knoppow
1oldlens1 at ix.netcom.com
Sun Feb 14 17:52:29 EST 2016
Not exactly on topic but the military for a time seems to have
adopted some simplified or modernized spelling like alinement for
alignment. That always stops my eye cold despite having seen it for
decades. This seems to have stopped about the time Connie Rodd showed up.
On 2/14/2016 2:42 PM, WA5CAB--- via ARC5 wrote:
> This was common practice at least in the military TM's, TB's, T.O.'s,
> etc. up until about 1944. M - x 1,000 and MEG = x 1,000,000. At
> least in the military manuals, there was usuall a note that said this
> somewhere on the schematic. After the change, the note changed, too.
>
> In a message dated 02/14/2016 09:58:16 AM Central Standard Time,
> arc5 at mailman.qth.net writes:
>> When looking at schematics from the 1930s and even into the 1940s,
>> for some reason, where the values of especially resistors are
>> concerned, a number of manufacturers used an "m" instead of a "k" to
>> indicate a multiplier of 1000.
>>
>>
>> The first time this happened to me, I started scratching my head
>> trying to figure out why all the very high value resistors. Then, I
>> realized that the "m" was used instead of a "k".
>>
>> Glen, K9STH
>
>
>
>
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--
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL
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