[Boatanchors] Replacing 866s with 3B28s

w4awm at aol.com w4awm at aol.com
Wed Dec 29 22:34:17 EST 2010


 I recall that one of the high class hotels in Greenville, SC used to coat their change in mercury back in the late 40s and early 50s. Everyone who got change carried that stuff around in their pockets until it was all spent. Wow, what we didn't know back then.\

John,  W4AWM

 


 

 

-----Original Message-----
From: N4ch at aol.com
To: n4vgb at yahoo.com; boatanchors at mailman.qth.net
Sent: Wed, Dec 29, 2010 8:52 pm
Subject: Re: [Boatanchors] Replacing 866s with 3B28s


As far as mercury goes, I doubt it's quite as bad for U as the  government 

says it is........but I've been more and more careful with anything  known 

to contain mercury the last 20-30 years.   Beginning over 50  years ago, 

whenever I went to the dentist, he'd give me a few drops of the stuff  to play 

with.   I'd run it thru my fingers, coat pennies with it, and  figure out all 

kinds of neat electrical projects to use it in (and I have also  managed to 

save most of it over the past 50+ years.........I probably have a  pound or 

three of it in a bottle in the basement still).   We'd play  with it in 

school, after school, and nobody ever thought anything about  it.   Even a 

couple of my old toy chemistry sets had a couple of  mercury experiments.   

Whenever I got a skinned knee, it would be  treated with mercurichrome and a 

bandage.   I have quite a few teeth  with mercury and silver fillings.   My 

doctor STILL has an old  mercury column blood pressure measuring system in 

daily use in his  office........but of course if someone brought any of this 

stuff out in public  these days he'd probably be severely reprimanded.   By 

many  accounts, all this "exposure" should have made me SK years ago, but  I'm 

still here.   All my mercury switches have been moved to a "safer"  

location.   Ditto for my not-in-use 866A tubes.   I still  have a few BAs around 



here that use these old rectifiers, but I treat them with  more respect than I 

once did.   If it's something I use more than once  or twice a year, I 

replace them with 3B28s.

 

73, Herman, N4CH.

 

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