C1890 bull holder. When the spring is compressed the two side swing apart to permit insertion in the animals nostrils. Not the most humane of devices but it apparently kept the bull under control. Near identical devices are shown in Arnold veterinary catalogs of the period–see last image.
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M and R Gordon
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 718-623-6777