Re: [CAD_CAM_EDM_DRO] Re: CNC scripting stuff....

> LOL! I think I remember seeing that but didn't know what it was
> called. Is that the thing that looked like an old "Tube" as in the
> gizmo before the transistor?
>
>
>
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Drew Rogge <drew@p...> wrote:
>
>>There were all kinds of neat displays. I remember one machine had
>>a piece of film with the digits 0-9 on it and 10 small incandescent
>>light bulbs. Things were set up such that all of the digits were
>>focused at the same window on the display. To display a digit, the
>>appropriate lamp was turned on.
>>
>>But by far my favorite display was that on a 5-axis Sunstrand
>
> OmniMill.
>
>>It used Nixie tubes for the digits. Just got to love those Nixie
>
> tubes!
>
>>Drew
>>
>>lcdpublishing wrote:
>>
>>
>>>Also, those machines (NC) didn't have CRTs like we have today.
>>>Rather you had a series of 7 segment LEDs that would display one
>>>word of the program at a time - this feature was actually rare
>
> on
>
>>>early NC machines. Basic practice was to "Punch out a paper
>
> tape"
>
>>>and at the same time, using a teletype (or teletype type of
>
> machine)
>
>>>print out the program listing - without the printout, it was a
>>>nightmare.
>>>
>>>Chris
>>>
>
>
>
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>
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