Build Your Own Beginners Miniature Steam Locomotive Series (Making the Whistle VALVE ) "mr factotum"

Whistle Valve Making from Scratch Continuation of my step by step Beginners Miniature Live Steam Locomotive build from scratch of a 0-6-2 Metre Maid version of a 0-4-0 Sweet Pea from a book by Jack Buckler Here showing, Making the whistle valve including the tiny Stainless Steel Spring