Olds Register Photo Guide-

Fullerton

Question 12 Third Valve slide

Which best describes method for adjusting the 3rd valve slide?

It has an adjustable push rod/finger ring or a bracket for one (most models)

It has a spring loaded trigger (typically found on Recording and Mendez models)

There is no method for adjusting the 3rd valve slide (typically on some cornets and all flügelhorns)