Does anyone know who sells pressure bombs for leaf water potential measurements? A company named PMS Instruments of Corvallis, OR used to but the number I have for them has been disconnected. TIA Dr. Robert R. Wise Department of Biology University of Wisconsin-Oshkosh Oshkosh, WI 54901 (920) 424-3404 tel (920) 424-1101 fax wise at uwosh.edu