Bell whistles For Live Steam SW-C

Bell whistles  For Live Steam SW-C

This is a Bell whistles For For Live Steam.

Screw fitting is 1/4 "X 40 TPI. Bore 3 mm.

Whistle body length 69mm, outside diameter 12MM.

You can adjust the whistle bell up or down to change the tone. The closer the bell is to the bottom the higher the pitch, the wider the gap the lower the pitch.