Heated vacuum chamber for drying polymer solutions.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...um_chamber.jpg
Previously:
https://www.homemadetools.net/forum/...015#post160566
https://www.homemadetools.net/forum/...031#post140894
