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Re: Demise of upper quad. signals, Melb.



David Bennetts <davibenn@ozemail.com.au> wrote in message
news:tPu06.752$lE6.36581@ozemail.com.au...

> Whilst a pity to see the demise of such ancient technology,
> nice to see you Mexicans catching up with what most of the
> Sydney system had achieved by 1930!

Sydney had LED's in 1930?

Incredible.

--
B.

Email - gunzel412 at dingoblue dot net dot au
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