man hole covers

From: John Higginbotham <>
Date: Thu Jan 29 12:00:59 1998

Yah. I was wondering if anyone has had any experience with this:
You see, I'm trying to interface my IBM System/36 with a City of Chicago
Manhole Cover. Has anyone ever installed a manhole cover internally in the
System/36, or would I be better off going with a parallel or serial
interface? I've had no problems before when I connected the System/36 to a
series of sewer grates connected in parallel, but the manhole cover does
pose quite a problem. Oh, and one more thing: What's the highest storage
capacity of most available manhole covers? I know this has been a heated
topic of debate on the list before, and I really don't want to start
another manhole cover war, so if anyone knows, just send me a private note.

Thanks for the help!

- John Higginbotham
Received on Thu Jan 29 1998 - 12:00:59 GMT

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