[R-390] Tube Shield Questions_OT
Dan Merz
mdmerz at verizon.net
Sun Jan 8 02:11:45 EST 2006
Hi, the split, bottle-shaped are commonly called "goat shields", a brand
name that made some of that type, very common on early 30's consumer
radios. I have several sets that use these beasts, Dan,
-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
On Behalf Of DQ
Sent: Saturday, January 07, 2006 4:41 PM
To: R-390x reflector
Subject: [R-390] Tube Shield Questions_OT
I am only asking this question here because there are darn few questions
that remain unanswered, whenever placed before this forum. Theoretically I
suppose that some MIGHT fit a few R-390 tubes, so maybe it really isn't
off-topic. That having been
said:
Today I dug out my hodge-podge collection of tube shields and I've been
going through and organizing them. At the bottom of a box, below the IERC's,
and all of the various spring loaded ELCO's, EBY's, CINCH's, and what
appears to be 160's, there were what appeared to be some cheesy looking
cheap tin slip-sleeves.
For lack of a better word I will describe them as having small horizontal
'stiffener' beads. Some of them sort of looked like tube sheilds, and the
more conical ones did and didn't at the same time.
After getting out the magnifying glass I pulled up a name and patent number:
Staver Mini-Shield - Pat. No. 2499612. I looked up the patent and sure
enough, they were in fact tube shields, and they were patented May 7, 1950.
My question to this esteemed group is this:
Were/are these "correct" OEM's for some long gone tube radios, or were they
just cheesy aftermarket wannabe stuff? I don't know whether or not to give
'em the heave ho, or if someone might want them for a particular flavor of
tuber to make it original.
Also, I came across four other medium sized, bottle shaped, tin sheilds that
are two-piece (8 halves total) and are held together via a round circular
spring-clip. The same question of origin would apply to these as well.
Thanks guys, ~ Quig ~
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