37-116 resonators?

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37-116 resonators?

PTurney
Member

Posts: 69
Threads: 14
Joined: Sep 2005
City: Woburn, MA

#4

08-16-2008, 10:09 PM

Hi everyone,

It's been a while since I've posted here, but I do check in every day!

Just thought you may be interested in the original patent filed by Philco for their acosutic clarifiers. http://www.google.com/patents?id=4KdBAAA...dq=2059929

Hit the "Read this patent" to see the patent (then scroll up to see the associated figures).

The layout of these devices shown in the patent of course corresponds to the 1936 model 116X, but the principles apply to other sets using them also.

Google patents is a gold mine of info on old radios & it's totally free. I've spent hours searching through...

Paul http://www.tuberadioland.com

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Messages In This Thread

37-116 resonators? - by Guest - 08-16-2008, 02:43 PM

[No subject] - by Ron Ramirez - 08-16-2008, 03:40 PM

[No subject] - by Guest - 08-16-2008, 07:25 PM

[No subject] - by PTurney - 08-16-2008, 10:09 PM

[No subject] - by Ron Ramirez - 08-16-2008, 11:00 PM

[No subject] - by Guest - 08-18-2008, 08:03 AM

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