Early 20th century urethral sounds set
RR Auction says this is an early 20th century set of urethral sounds owned by John Collins Warren Jr. (with “J. Collins Warren” nameplate affixed to the bottom). John Collins Warren Jr., who also went by Dr. J. Collins Warren, was the son of John Collins Warren and grandson of John Warren. He became a noted surgeon whose principal expertise was in the surgical treatment of tumors and held several positions at Harvard Medical School. He also briefly served as president of the American Surgical Association.
In 1906, John Collins Warren Jr. served as chairman of the committee that arranged the “Historical Loan Exhibition of Medical and Surgical Instruments” held at Harvard, at which the second of these amputation kits was exhibited, according to RR Auction.