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October 23, 2017, 12:04:32 AM

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Author Topic: Pittsburgh Transformer Company  (Read 1042 times)
Nevada Willis
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« on: January 25, 2017, 01:50:51 PM »

Hey gang.

Does anyone have any info on the Pittsburgh Transformer Company?  I fell into an ancient bowl reflector lamp with a cast ribbed head.  The reflector has a cobalt blue enamel top.  A number cast on the body is "442."  I'm thinking that it could be a PTC fixture.

Thanks!

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Nevada Willis
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« Reply #1 on: January 28, 2017, 12:31:04 PM »

It is a Pittsburgh Transformer Company fixture.  It turns out that PTC had a very unique proprietary series street light system in the early 1920s where current regulation took place inside the various lamp fixtures.

Here's an information sheet I put together.

http://www.kbrhorse.net/streetlights/ptc.html

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