About the Blog


This blog is maintained by Mainspring Press as a free resource for collectors of pre-LP sound recordings and phonographs.

To view the daily postings, click “See All Posts” above.

The Commenting feature is currently turned due to the large volume of spam. Appropriate, on-topic comments may bee-mailed via the Mainspring Press E-Mail Page. (Be sure not to use an anonymized or aliased e-mail address, which can trigger auto-deletion).


Mainspring Press specializes in expertly researched, peer-reviewed publications for collectors, archivists, and researchers of pre-LP sound recordings and the recording industry.

Founded in 1999, we are a privately held LLC chartered in Wilmington, Delware, with an  editorial office in Denver, Colorado. If you’d like to know more about who we are, what we do, or how to write for us, be sure visit our Company Information Page on the Mainspring Press website.


Posts and audio restorations on this blog are by Allan Sutton and/or Mainspring Press authors and affiliates unless otherwise noted.

For questions or comments, please contact us through Mainspring Press (www.mainspringpress.com).

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