[GreenKeys] 15-level tape

[COURYHOUSE at aol.com]

David - Nice  job  I will look  through our material   here in the next  
month as  we shift  stuff and see if  we  have anything typesetting related 
you might want to add to  your   site.
 
Kudos!  looks   great!
 
Ed Sharpe Archivist  for SMECC
 
 
In a message dated 1/14/2014 12:11:33 A.M. US Mountain Standard Time,  
dmm at lemur.com writes:


Mostly because if I didn't do it now I'd never do it, I've  integrated
three of those four Parkersburg WV newspaper phototypesetting /  PDP-8
photographs into more permanent web treatments.

In the  process, I decided that there ought to be at least a small image  of
15-level tape somewhere on the web, so I scanned a bit.  It's at  the
bottom of this page, along with a 6-level TTS tape for  comparison:

<http://www.circuitousroot.com/artifice/letters/phototypesetting/linofilm/ga
llery/index.html>

The  page also has some photographs of a Mergenthaler Linofilm
font grid, for  those who might be interested.

The use of two tracks of sprocket holes  is interesting.  Note also that
while the TTS sprocket holes line with  the leading edge, the
Linofilm holes line with the center.  I'm afraid  that all I have is
one rather squashed roll of 15-level tape (pulled out of  some pretty
serious wreckage), one font grid, and no equipment for it at  all.


The photo of the PDP-8 is  at:

<http://www.circuitousroot.com/artifice/letters/phototypesetting/aps/index.h
tml>

(Click  on the "Gallery" link.)  I'll be donating the full-on view 
of the  PDP-8 to the SMECC, should anyone in the future ever need access 
to the  physical original.

I'd still like to determine the make of the three  paper tape readers
in the photos on this page (on the PDP-8 and on the  shelf above the
two Fairchild perforators).

Regards,
David  M.
===
Dr. David M. MacMillan  -   dmm at lemur.com

The first rule of intelligent tinkering is  to save all the parts.
- Paul Ehrlich  (1854-1915); Aldo Leopold

www.CircuitousRoot.com   *   www.LemurType.com   *   www.Lemur.com


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