[GreenKeys] Black tape
Duncan Brown
duncanancy at earthlink.net
Thu Jun 18 16:13:48 EDT 2015
OOPS - I mis-typed it. The tape is standard width, 5-bit tape - 11/16th"
(not 13/16th")
Duncan
On 18-Jun-15 11:28, Jim Haynes wrote:
>
> Well, now, 13/16 is more like 6-level tape, so could be one of the
> computers that used 6-level code, or some sort of typesetting application
> that used Teletypesetter code but a much faster machine. I'm not really
> aware of the zoo of old computers that might have used 6-level tape.
>
> On Thu, 18 Jun 2015, Duncan Brown wrote:
>
>> The AWA Museum just received a couple of boxes of 13/16" oiled tape
>> that is BLACK.
>> I assume black tape was used with an optical reader. What 5-bit
>> machines used optical sensing??
>> Was Black tape used anywhere else???
>>
>> Thanks,
>>
>> Duncan
>> K2OEQ
>>
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