What you see here is cased set of four gold-plated tracheotomy tubes or cannula. Apart from the gold plating, what is notable about the set is that one tube is an adjustable dilator. Edmundson shows an identical set, by the same maker, on p. 59 of his, AMERICAN SURGICAL INSTRUMENT MAKERS (1997). The maker is C.W. Kolbe, who worked in Philadephia between 1880-1900. Case lacks lid and the screw mechanism on the adjustable tube is tight but o/w vg.
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Michael and Roberta Gordon have been dealing in medical and dental antiques for more than four decades. They have helped build a number of major private collections and have contributed to the holdings of many museums. They also deal in other scientific and technology related items, including calculating instruments, office machines, patent models and wine-related accessories such as corkscrews. ROBERTA GORDON IS A SKILLED RESTORER WHO CAN HELP YOU WITH ANY INSTRUMENTS AND CASES THAT NEED ATTENTION. Feel free to contact them for details at: [email protected] or 718-541-5974