In the MMD for 210306, Jim Quashnock inquired about Barge Cement. It
seems to be available from Columbia Organ Leathers, as well as from
Amazon, Walmart and other online retailers.  Alas, making or repairing
things seems to be unfashionable today, so more and more of the basic
supplies that we took for granted in the past are becoming hard to find.

John Wolbach