The Talking Machine Forum — For All Antique Phonographs & Recordings

Looks like This company did much of the early manufacturing of pot metal parts for early phonographs. Doehler did a lot of casting of parts for Heinemann and Brunswick among others. The company sure gave us a nightmare with all these fragile parts.

Here is the founders obituary:

https://www.nytimes.com/1964/10/19/arch ... modem.html