Thread: Hoffman...yea or nay
View Single Post
  #6  
Old 10-28-2010, 12:13 AM
jr_tech's Avatar
jr_tech jr_tech is offline
VideoKarma Member
  
Join Date: Sep 2009
Posts: 4,573
IIRC, by 1961 the old 17" and 21" tubes had mostly given way to the new squared corner 19" and 23" designs. Shell bonded implosion protection dates from 1959.
jr
Last edited by jr_tech; 10-28-2010 at 12:42 AM. Reason: add shell bond date
Reply With Quote