#retrocomputing
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curse you tiny promising contextless jpeg!!
@gloriouscow What is the chance it is just a calculator?
Drafting requires a lot of precise measurements, so I could see being able to calculate, say a 50m span with 3 x 0.75m columns, spaced evenly (it is around 12m openings, but not quite 12m)
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@gloriouscow What is the chance it is just a calculator?
Drafting requires a lot of precise measurements, so I could see being able to calculate, say a 50m span with 3 x 0.75m columns, spaced evenly (it is around 12m openings, but not quite 12m)
@SnyperWolf it could be, would be a rather bigass calculator.
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@SnyperWolf it could be, would be a rather bigass calculator.
@SnyperWolf watch that rectangular thing not be a screen at all. The brain fills in a lot of details...
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@gloriouscow What is the chance it is just a calculator?
Drafting requires a lot of precise measurements, so I could see being able to calculate, say a 50m span with 3 x 0.75m columns, spaced evenly (it is around 12m openings, but not quite 12m)
@gloriouscow Or, I guess in terms of PCB design, 8 wire bus width running between two chips?
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@SnyperWolf it could be, would be a rather bigass calculator.
@gloriouscow Like the calculators from the 70s?
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@gloriouscow Like the calculators from the 70s?
@SnyperWolf this is from 1971. I can't find any examples of anything in that form factor
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@gloriouscow Laying out the components and traces for the board would still be described as "producing artwork". I don't know when CAD fully displaced tape+ink, but in 1984 I think it's plausible manual drafting still in use.
The Internet Archive has a copy of Darryl Lindsey's PCB design book from 1982. I can only see the TOC but it describes both manual and then-new CAD techniques. It might have descriptions or photos of equipment you could match to the photo you have.
@hattifattener checked out the book - super cool! didn't see any hits but i definitely need a copy of this for my library
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