At 08:20 02/17/04, you wrote: >Can someone tell me how to go about converting a torr unit of measurement to >inches of HG? Specifically, I would like to know how many inches of mercury >will a pump rated at 0.1 torr pull? >Thanks, >T. Clark One torr = 1 mm Hg 760 torr = 1 atmosphere Dave Brown Heritage Smithing Green Bay, WI