[modeleng] Re: Relay
- From: Ken Strauss <ken.strauss@xxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Wed, 20 Apr 2011 09:28:42 -0400
See http://www.google.ca/patents/about?id=HBhZAAAAEBAJ&dq=1902793 for
details on the patent. The claim to fame seems to be that it is a thermal
relay whose operating delay doesn't vary with voltage.
> -----Original Message-----
> From: modeleng-bounce@xxxxxxxxxxxxx [mailto:modeleng-
> bounce@xxxxxxxxxxxxx] On Behalf Of Alan Stepney
> Sent: April-20-11 5:52 AM
> To: modeleng@xxxxxxxxxxxxx
> Subject: [modeleng] Re: Relay
>
> Thanks.
> It would be nice to know all about it.
>
> The label on the mounting brackets states:
>
> THERMAL RELAY
> Type [ T ] Class [ B ]
> Draw. No. 53610- [ 12 ] GR. [ 3 ]
>
> Serial [ 7599 ]
> Made in USA
> General Railway Signal Co. Rochester N.Y.
>
> Patented USA 1902793
> Canada 1934
>
> The letters/numbers in the square brackets are stamped on small plain
areas,
> obviously made for that purpose.
>
>
> On top, the plastic mouldng has 29511-46 moulded into it, and an engraved
> label, FD 136. The latter, of white-black-white plastic sheet, is affixed
by
> two screws.
>
> Alan
>
>
>
>
> ----- Original Message -----
> From: "The Sheppard Residence" <psbr20252@xxxxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Tuesday, April 19, 2011 9:19 PM
> Subject: [modeleng] Re: Relay
>
>
> Alan,
>
> Probably timing.
>
> I can make some enquiries if you have an serial or type numbers (it's my
> day job!)
>
> Cheers
>
> Peter
>
>
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