To: Windflier
Can any one remember what this was really used for?
23 posted on
09/10/2013 9:44:07 PM PDT by
jy8z
(When push comes disguised as nudge, I do not budge.)
To: jy8z
Can any one remember what this was really used for? I believe the TV techs used them to test and calibrate their broadcast equipment each night.
26 posted on
09/10/2013 9:59:15 PM PDT by
Windflier
(To anger a conservative, tell him a lie. To anger a liberal, tell him the truth.)
To: jy8z
Can any one remember what this was really used for?
That one comes in better on the Wikipedia.
47 posted on
09/10/2013 10:41:05 PM PDT by
cynwoody
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson