I know this is a long shot, but I am a historian/hobbyist regarding antique phonographs, specifically Edison phonographs. I am looking for any pictures, documents or other ephemera showing details or information regarding the Edison Phonograph Co. and came across your post from years ago. If you are still a member and check your messages, I would love to hear more about your ancestor and his cylinder recordings, etc. I may be able to help transcribe the recordings digitally to preserve the in case you haven't already done so. Any details would be greatly appreciated and I hope to hear from you soon!
Thanks for your time and consideration!
Best regards,