ISA-RP42.00.01-2001, Nomenclature for Instrument Tube Fittings, defines nomenclature for tube fittings most commonly used in instrumentation. It is not intended as a substitute for manufacturers' ...

It's a long wooden tube, traditionally made from a tree ... and this changes the pitch of the sound. Mbira is a musical instrument traditionally from Zimbabwe in Africa. It's sometimes called ...

Your students will soon find that the tighter the balloon, the higher the pitch; but also, the longer the tube, the lower the pitch. These two variables are very important in building and ...