[GreenKeys] off topic? sort of..

[Pete Lancashire]

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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