[GreenKeys] Punchcards. Was: off topic? sort of..

[info at drukknop.nl]

Hi All.

I just remembered making a vector drawing of A punchcard a while back in 
illustrator. as I moved to linux later, this now is translated to svg.

you can find it here:

https://hack42.nl/wiki/Bestand:Punchcard.svg

I will post this on the cctech list as well

simon

On 09-09-15 20:57, Pete Lancashire wrote:
> Simon,
>
> If you look at the pages in
> http://ibm-1401.info/TabCardStockManSpec_Page_1-.html
>
> I think one of them has both metric and 'english'
>
> -pete
>
> On Wed, Sep 9, 2015 at 11:10 AM, simon <simski at dds.nl> wrote:
>
>> /me is translating things to metric... :-)
>>
>>
>> On 08-09-15 17:26, Pete Lancashire wrote:
>>
>>> I made some. I use to have access to a paper guillotine (need again,
>>> willing to buy one).  The spec is for 99lb paper stock, I used  "100 lb
>>> cover, Sheffield 125", note that weigh does not always translate in to
>>> thickness. A good supplier will know, it has to do with the density of the
>>> stock. A card is 7-3/8" x 3-1/4" x .007". I forget the details of the
>>> notch.
>>>
>>> I made the cards in the mid 1990's.
>>>
>>> Any 'real' print shop will have a guillotine, depending on their stock you
>>> may have buy a 36" x 36" ream.
>>>
>>> If your lucky he will have smaller stock, 8-1/2 x 11 to 11 x 17.
>>>
>>> You will want to have a few samples made first unless you know the paper
>>> stock is for punch cards, the two most important spec are thickness and
>>> smoothness. The wrong
>>> smoothness and the cards will stick together.
>>>
>>> For 'real' specification surf this URL
>>>
>>> http://ibm-1401.info/CardStockSpecifications.html
>>>
>>> Start with this guy http://ibm-1401.info/TabCardStockManSpec_Page_1-.html
>>>
>>> -pete
>>>
>>>
>>>
>>>
>>>
>>> On Mon, Sep 7, 2015 at 11:50 PM, simon <simski at dds.nl> wrote:
>>>
>>> Hey,
>>>> thats funny. we at hack42 have it the other way around. :-) we got a 029
>>>> missing its cap over the programming card but otherwise functioning, but
>>>> we
>>>> have almost no blank cards left. we keep repunching old cards..
>>>>
>>>>
>>>>
>>>> On 07-09-15 19:02, Able Baker via GreenKeys wrote:
>>>>
>>>> Anyone know where I can obtain an old IBM printing keypunch Model 026 or
>>>>> 029?I think it had "Green keys"...Just asking...I've got about 10,000
>>>>> blank
>>>>> IBM cards that I'd like to punch.Thanks.
>>>>> AlWB2RBF(former IBM Field Engineer)
>>>>>
>>>>>
>>>>>
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>>>>> --
>>>> Met vriendelijke Groet,
>>>>
>>>> Simon Claessen
>>>> drukknop.nl
>>>>
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>> --
>> Met vriendelijke Groet,
>>
>> Simon Claessen
>> drukknop.nl
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>
>
>
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-- 
Met vriendelijke Groet,

Simon Claessen
drukknop.nl