Mystery print drum
mloewen at cpumagic.scol.pa.us
Mon Aug 2 19:16:53 CDT 2010
On Mon, 2 Aug 2010, Chuck Guzis wrote:
>> On Sun, 1 Aug 2010, Mike Loewen wrote:
>>> I have an unidentified drum from a line printer, 160 columns and
>>> characters. The characters are the same on each horizontal line,
>>> and the drum is one solid piece. Can anyone hazard a guess as to
>>> which printer this might fit? There are no part numbers on it.
> An afterthought--it would be useful to list the non-alphanumeric
> characters. They were far from standard in the old days and
> sometimes you could tell a maker by the character set.
The 64 character rows are laid out, thusly:
0 1 2 3 4 5 6 7 . 8 , 9 - E T A I S O N H R D L U C M F W Y P G
0 1 2 3 4 5 6 7 . 8 , 9 - V B K J $ * Q X Z # / + : = ' ( ) > <
The numbers 0-9 are doubled, along with period (.), comma (,) and dash
(-). Character spacing is 1/10 inch. I did some checking on HP drum
printers (originally from Data Products and Data Printer Corp), and none
of them went to 160 columns.
Mike Loewen mloewen at cpumagic.scol.pa.us
Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/
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