Yes, there IS a link from this 17th century scholar, famous for his work on the physics of vacuurm and the taps on my M20...

%%htmlItem_1%%

This tap is on a 1920 model made by W.B.Nicolson of Glascow, and it functions flawlessly on a vacuum pump. So if you need a good fuel tap, just find such a vacuum pump...

email (option): viaconsu [at] planet [dot] nl