WTD: Intercom Switches for Battleship

[Edward B Richards]

They sound like a standard intercom switch. Check Switchcraft catalog if
you have not already. Good Luck.

Ed  K6UUZ

On Mon, 31 Aug 2009 09:28:40 -0400 Eugene Balinski <eugeneb at NNI.COM>
writes:
> Sounds similar to the PTT switches from the military
>  LS-147 intercom system.   These are being pulled from
> service and may start to be available from surplus houses
> or ebay.
> 
> Just a thought...
> 
> 73 and good luck,
> 
>    Gene K1NR
> 
> Might check here also  http://www.steelsoldiers.com/
> 
> 
> On Sun, 30 Aug 2009 16:20:04 -0700
>  "J. Forster" <jfor at QUIK.COM> wrote:
> > The volenteers on Battleship Massachusetts at BattleShip
> > Cove in Fall
> > River are trying to restore to working condition the xxxx
> >  intercom
> > system. Each station has a speaker which doubles as a
> > microphone, an audio
> > power amplifier, and the necessary switching.
> > 
> > The immediate problem is that about 6 of the Talk-Listen
> > switches have
> > been damaged beyond repair, likely by excessive force.
> > They do not appear
> > to be available, other by special order from the maker,
> > which is well
> > beyond the resources available.
> > 
> > The switches are a bit odd: They are two position rotary
> > switches, but
> > momentary contact. One of the two positions is spring
> > loaded, so if the
> > knob is released from the TALK , the switch returns home
> > to the LISTEN.
> > The switch has two wafers, and each wafer is 3-pole;
> > 2-position.
> > 
> > The switch was made by Centralab, P/N 2BFX6977.
> > 
> > Does anyone have a catalog or data sheet that lists this
> > number? Ideally,
> > I'd like the part numbers for the actuator part and the
> > phenolic wafers so
> > the needed switched could be assembled from bits
> > scavenged from other
> > switches.
> > 
> > Also, does anyone know of a source of such switches or
> > the constituent parts?
> > 
> > Thanks,
> > -John
> > 
> > ================
> > 
> >
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