GRS Searchlight Signals

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GRS Searchlight Signals

Postby urrengr2003 » Tue Nov 04, 2014 5:31 pm

Which signal came first; the Type SA or SC? They both furnish the same aspects but one uses a polarized armature and the other a pair of magnets to drive the mechanicism. What was the intendend application for the different types?
urrengr2003
 
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Re: GRS Searchlight Signals

Postby Freddy » Tue Nov 04, 2014 7:54 pm

urrengr2003 wrote:Which signal came first; the Type SA or SC? They both furnish the same aspects but one uses a polarized armature and the other a pair of magnets to drive the mechanicism. What was the intendend application for the different types?

There's a facebook page I'm a member of, Railroad Signals. You can join and they'll tell you. Pretty laid back over there.
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