I am looking for information on a very old steel ...

I am not sure about what exactly you are looking for.  Can you please clarify your question?  I may know someone who can find the information requested.  I help a friend who runs a private research company.

http://www.lostbranches.com

We are experts at finding stuff,especially lost people.

It sounds like a record-at-home record, or, more likely, the kind that you could get recorded in special booths at places like amusement parks.  Does it look like the ones here:

http://www.wfmu.org/MACrec/metal.html

I've seen discs of this type made in the 1920's and 30's that were usually

made on location with portable recording equipment. This technology didn't last

too long, as it required a fiber needle to play it back and a standard needle on a

regular phonograph would destroy it. You may also have a "master disk" used to press copies  into vinyl.