Info Request: History of Dictograph Products Corp?

Eric Smith erc at
Sun Sep 24 04:03:53 EST 1995

In article <199509240054.TAA26433 at icicle>,  <admin at SCONCEPT.COM> wrote:
>One of the things we know about DPC's past is that Queen Alexandra
>wore an Acousticon hearing aid at her coronation in London in 1901.

Can you describe it?  What were its components?

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