[Milsurplus] Jones Plugs

[Al Klase]

Hi Miles,

I've been trying to piece this story together.  There are no Jones plugs 
or anything vaguely similar in the few pre-war radio catalogs in my 
posession, '33 Lafayette. ''38 Radio Shack, and '41 Radolek.  Perhaps 
they were more of a thing of the electrical industry rather than 
electronics.

My 1949 "Radio's Master" lists Howard B. Jones in the index of 
manufacturers, but on the actual pages the company is already 
Cinch-Jones Sales.  This catalog lists the connectors you describe as 
Series 400, formerly know as "Heavy Duty."  They have 1/4" wide prongs 
and the locating pins as you describe.   The smaller connectors, with no 
locating pin and 5/32" prongs, are Series 300.

One of the guys mentioned Jones plugs used in Marconi  aircraft radios, 
and my British R-1155 has connectors that mate with series 400 Jones plugs.

Can any of you push the dates back farther?  It seem like Howard B. must 
have been making connectors for a while.  Did they originate here or in 
England?

Al

On 6/27/2010 12:58 PM, k2cby wrote:
> The answer may depend on how you define "Jones Plug."
>
>
>
> General Radio used a connector very similar to a jumbo-sized Jones plug in
> connecting the external power supplies to its signal generators in the late
> 1930s.
>
> The main difference was that it had a round locator pin in addition to the
> familiar two rows of rectangular contacts.
>
>
>
> Miles Anderson, K2CBY
> 16 Round Pond Ln
> Sag Harbor, NY 11963
>
> k2cby at optonline.net
>
>
>
>
>
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/