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From: Jon Steinhart <jon@fourwinds.com>
To: The Eunuchs Hysterical Society <tuhs@tuhs.org>
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Comments: In-reply-to Rob Pike <robpike@gmail.com>
 message dated "Mon, 13 May 2019 22:48:36 +1000."
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Date: Mon, 13 May 2019 09:26:44 -0700
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Subject: Re: [TUHS] VCF East
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Rob Pike writes:
>
> Ken tells me (and I now remember) that the photo in the article was of a
> sort of input device, a board built by Dave Hagelbarger that sensed where
> the pieces were so could digitize moves.
>
> -rob

My extremely fuzzy recollection is that Dave had an LC tuned circuit in the
base in each chess piece and an antenna coil underneath each square on the
board.

Jon