[GreenKeys] Black tape

[Ed Sharpe Archivist for SMECC via GreenKeys]

WNC were great folks... we used to  sell  some wrightline   stuff and  they 
 would  front the inventory.
 
 
In a message dated 6/18/2015 6:41:56 P.M. US Mountain Standard Time,  
62.5milliamps at gmail.com writes:

There  were also many approaches for the numerical control industry… you 
know,  controlling machines to make things.
The black tape I am familiar with was  Mylar with paper on both sides.  The 
blue tape was normally all Mylar  with no paper, that being written… 
Teletype did make some test tapes that were  blue paper with Mylar in the middle.

Various punches and readers were  used, but the model 43 was popular for 
these applications.  Western  Numerical Control used to refurbish the reader 
punch units. For some time they  used to show up on eBay.

Don
K9TTY


On 18 Jun 2015, at  10:37 AM, Jones, Douglas W wrote:

> 
> On Jun 18, 2015, at  10:18 AM, 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.
> 
> I've got  an optical reader on my junk shelf that reads 5, 6 and 8
> level tape at  the turn of a knob (the knob rotates the tape guide
> to bring the  appropriate width guide slot into position).  I have
> no  documentation for it.  It has a stepper motor to turn the
>  sprocket, photocells, and a relatively small interface board.
> I have  no idea what it was used for -- I found it in a junk pile.
> 
>  Doug Jones
>          jones at cs.uiowa.edu
> 
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