Seek replacement elbows for badly corroded or broken lead vacuum elbows
for Welte rebuilds;

12 ea. 1.5" square base "4 holes", with 1" pipe 90 degree elbow
 4 ea. 1.5" square base "4 holes", with 1" pipe straight
 4 ea. 1.5" square base "4 holes", with 3/4" pipe 90 degree elbow

Will take more if you have them.

Walt Gerber - The Antique Piano Shop