A short video on dressing and lapping the needle valve in an old brass try cock valve from the 1917 Vulcan Iron Works steam locomotive at the Georgia Museum of Agriculture in Tifton, GA.
http://www.youtube.com/watch?v=1v00A6MpNCM
-CB
A short video on dressing and lapping the needle valve in an old brass try cock valve from the 1917 Vulcan Iron Works steam locomotive at the Georgia Museum of Agriculture in Tifton, GA.