here's a pic of the one that is on my '50
wv_hillbilly you need to read
this. For those interested parties my original post addresses this problem. You will find a petcock at your local hardware store. What you won't find is one with the built in 3" nipple but the hardware store sells those too. What's shown is similar to the one on my 38 except the on/off knob was on the bottom.