Recent content by Viola

The white tube goes to a beaker with boiling water, so watervapor travels through the white tube to the meniscus lens (??). Water escapes through the yellow tube into the beaker. Thanks for the speedy reply :biggrin:

Hey, Can anyone explain to me how the "old fashioned" dew point hygrometer works? http://img85.imageshack.us/img85/6889/dscf03724mz14va.th.jpg And can anyone identify this instrument and explain to me how it functions? All I know that one of it's components is freon gas...