[pure-silver] Re: bad vibrations

----- Original Message ----- From: "Rob" <spamoff@xxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Saturday, January 28, 2006 6:12 PM
Subject: [pure-silver] Re: bad vibrations

providing the filter doesn't reduce airflow too much so that enlarger overheats then I guess any filter which fits will do for a temporary measure. Even a piece of porous foam (providing it doesn't get too hot).


What kind of filter does it have?


It came without a filter, used, very hard apparently, for a long time at a lab here in Houston. There's a sign on it that says "Change the filter weekly" . I asked the guy who helped me set it up where the filter was, but he didn't know, and so I used it until today without a filter. But today was the first day that I've noticed a lot of vibration. Maybe it was always there but I didn't notice.

After I read the message from Rob about how not having a filter might be causing the air to go through too fast, I made a filter from two thicknesses of Swiffer. This slowed down the vibration a lot, but did not completely eliminate it. This makes me think that the problem was the absence of a filter. Maybe tomorrow I'll try printing with three thicknesses of Swiffer, until I can get a real genuine Devere filter or talk to the people there about what kind of filter to use.

To tell the truth, the prints I made today when it was vibrating bad don't look too terrible. I made some others with the same negative and a different enlarger that doesn't have a fan, and tomorrow I'll inspect them with a loupe and see if there is a difference.

--shannon

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