On Mar 6, 2014, at 8:24 PM, Roy Smith <r...@panix.com> wrote: > In article <mailman.7884.1394151937.18130.python-l...@python.org>, > Dennis Lee Bieber <wlfr...@ix.netcom.com> wrote: > >> On 06 Mar 2014 02:51:54 GMT, alb...@spenarnc.xs4all.nl (Albert van der >> Horst) declaimed the following: >> >>> In article <roy-a94c1b.22041912022...@news.panix.com>, >>> Roy Smith <r...@panix.com> wrote: >>>> In article <ldhcau$d9v$1...@reader1.panix.com>, >>>> Grant Edwards <invalid@invalid.invalid> wrote: >>>> >>>>> On 2014-02-13, Dennis Lee Bieber <wlfr...@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 -- https://mail.python.org/mailman/listinfo/python-list
