Python programming

William Ray Wing wrw at mac.com
Fri Mar 7 03:27:33 CET 2014


On Mar 6, 2014, at 8:24 PM, Roy Smith <roy at panix.com> wrote:

> In article <mailman.7884.1394151937.18130.python-list at python.org>,
> Dennis Lee Bieber <wlfraed at ix.netcom.com> wrote:
> 
>> On 06 Mar 2014 02:51:54 GMT, albert at spenarnc.xs4all.nl (Albert van der
>> Horst) declaimed the following:
>> 
>>> In article <roy-A94C1B.22041912022014 at news.panix.com>,
>>> Roy Smith  <roy at panix.com> wrote:
>>>> In article <ldhcau$d9v$1 at reader1.panix.com>,
>>>> Grant Edwards <invalid at invalid.invalid> wrote:
>>>> 
>>>>> On 2014-02-13, Dennis Lee Bieber <wlfraed at ix.netcom.com> wrote:
>>>>> 
>>>>>>   An S-100 wire-wrap board.
>>>>> 
>>>>> Yup, been there done that!
>>>> 
>>>> Never did S-100, but I did do a custom Unibus card (wirewrap).
>>>> 
>>>> You know you're working with a Real Computer (tm) when the +5V power
>>>> supply can deliver as much current as an arc welder.
>>> 
>>> I've a 64 node Parsytec transputer system in the hall way with
>>> dual 5V 100A power supplies. Does that count?
>> 
>> 	I spotted a device on the table of the company calibration office...
>> 
>> 	As I recall, it was a 100A capable resistor... 0.10 OHM.
>> 
>> 	No idea what it was meant for; big binding posts at one end, and a slab
>> of sheet steel in a "W" shape (smooth curves, not sharp bends).
> 
> External shunt for an ammeter?
>  

More likely a dummy load for power supply testing.  (Normally, ammeter shunts are sized to dissipate as little power as possible.)

-Bill




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