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View Full Version : Rainy day. . . .



Michael N.
06-24-2010, 02:15 AM
. . . and I was bored. This thing actually works.


http://i56.photobucket.com/albums/g193/mignal/00001.jpg

frofrofro
06-24-2010, 03:38 AM
what is it?

Timbuck
06-24-2010, 05:08 AM
i'ts a Barometer ! :) right.

BobN
06-24-2010, 05:40 AM
i'ts a Barometer ! :) right.

Maybe a hygrometer?

Michael N.
06-24-2010, 05:59 AM
Hygrometer indeed. That reading in the photo is 60% RH, straight down and it's close to 50%.
The indicator relies on both end grain and long grain wood laminated together, pretty much like a bi metallic strip.