ended on April 10, 2013.
Some IBM machines used a 9/16 inch 14mm ribbon I think. Mostly it is spool diameters and center pin diameters and whether or not the ribbon uses an eyelet for reversing. None are as daunting of a problem as the proprietary things that started with electrics. Now we have digital junk.
Interesting point, it had not occurred to me.
The irony is that you typed this on the one brand of machine that won't take a universal ribbon spool ;-)
This is an example of the so-called "planned obsolescence", I think. I still prefer the "unplanned obsolescence"; just changed ribbons to my 1923 Underwood 3 bank and a 1928 Remington portable, using cotton ribbons still easily found in the local office supplies store.
Thanks for your comments.Dwanye, you're right, I didn't realise that! I didn't have any typewriters to use as alternatives to the Noiseless, though, as I typed this late at night.Miguel, I wouldn't call that specific case an example of planned obsolescence, as Brother probably didn't plan 20 years into the future - after all, if their typewriter breaks down after such a long period, they don't increase their sales that much. I don't think there are any examples of planned obsolescence amongst typewriters, as they were and had to be... I guess I'll have to write a post on that. I've been planning to write on planned obsolescenece for a long time anyway.
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