[R-390] Collins Tube Shield Data up

[Tom Norris]

Well, almost up. Bellsouth's lines have been so noisy
the past month my upload speed is around 300 bps.
That's NOT 300Kbps, BTW.... grumble....

This is scanned from the 1962 Collins Industrial
Products catalog. Compares Collins "66J" heat
dissipating tube shields to the normal shiny
variety or none at all. Impressive. If I could
find info on IERC shields of the period, I'd
scan that too. I would imagine the IERC data
to show them a few degrees cooler than the
Collins shields. The files "Collinsgraph" 1
and 2 are closeups of the graphs on page 2
of the shield listing. Trivia, this particular
catalog originally belonged to the tech library
at Dayton Engineering Association, Dayton OH.
Thin book, besides tube shields, it has
data on PTO's and auto-positioner assemblies
sold by Collins at the time.

If anyone wants larger scans of the graphs
please let me know.

If the scans ever upload, they will be under --

http://www.fernblatt.net/Collins/

73

Tom