For those not familar with the book "The Dancing Chain", it is one of the very best vintage bicycle component history books available and certainly a must-read for Cr members. It should however perhaps be pointed out that the book was not written by Frank Berto, he was one of three co-authors. Each took responsibility for a distinct area of research. In my opinion, the part that Berto contributed was perhaps the one that had the greatest potential for improvement of the three, so I look forward to seeing the new edition. On a sad note, I am sorry to add that another of the co-authors: the Australian, Ron Shepherd, passed away earlier this year.
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Steven Maasland
Moorestown, NJ