Many years ago a prospector needing water came across an old rundown shack. Near it was a well with an old-fashioned pump. Attached to the pump was a tin can with a note inside that said, “This pump ...

Thank you for signing up for The Nation’s weekly newsletter. By signing up, you confirm that you are over the age of 16 and agree to receive occasional promotional ...

I don't quite understand what's going on, but I don't think Pervis is quite accurate; the 1250 has an excellent ability to deal with a 1.5m head.<BR>If you have tubing on both ends of the pump, you ...