PSN-L Email List Message

Subject: Re: Seismograph
From: Marchal van Lare vanlare@..............
Date: Mon, 5 Jul 1999 12:02:28 -0400


Hi All,

I think my main frame looks very unstable, so I've decided =

to start 'all over again'.

I'm thinking of making the main frame of one big upright metal =

bar (20-30 centimeters wide), not like the two upright pipes =

from the article. I think this will improve the stability of the =

device.

What do you suggest, a aluminium frame or can any metal be used?
How big should the base plate be?

Any input will be appreciated,

Best regards,

Marchal van Lare
-Nieuwvliet, The Netherlands



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Larry Cochrane <cochrane@..............>