Don't know how they are now but about three decades ago I had a Swintec desk calculator that was just the best. Great feel to the keys and you could key in numbers as fast as you wanted and it would never drop a digit.
Not a very informative page. What is the printing technology? Typebar, daisy-wheel, dot-matrix? (The ribbons look like they would fit either of the latter two.) What does the "display" provide, one line of type you can correct before printing?
> What is the printing technology? Typebar, daisy-wheel, dot-matrix?
Judging by the ribbon cartridge type and the spec of 20-22 characters per second I expect they're daisywheel printers. Also if you look closely at the clear cased versions you can see the head assembly which has a daisywheel loaded
700-character Correction Memory ( within 10 lines)
You can do some basic correction. I used to maintain/repair this kind of thing back in the late 80's early 90's when I worked as a field service engineer. Some more advanced units could store whole documents and do more clever things.
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[ 3.5 ms ] story [ 25.4 ms ] threadJudging by the ribbon cartridge type and the spec of 20-22 characters per second I expect they're daisywheel printers. Also if you look closely at the clear cased versions you can see the head assembly which has a daisywheel loaded
http://www.swintec.com/clear-typewriters/21-2410cc-michigan....
http://www.swintec.com/15-print-wheels
> What does the "display" provide, one line of type you can correct before printing?
If you have a read of the spec here:
http://www.swintec.com/48-2640-electronic-display-typewriter...
700-character Correction Memory ( within 10 lines)
You can do some basic correction. I used to maintain/repair this kind of thing back in the late 80's early 90's when I worked as a field service engineer. Some more advanced units could store whole documents and do more clever things.
There are still many valid use cases, especially with carbon (or carbonless) copy forms where you need an impact printer.