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A copy of the letter given above was sent to the manufacturer referred to, who replies:
We designed our instrument but one of our competitors copied it and called it Gerster's traction bar. We will continue to sell our traction bar, but we will not call it by any other name than Haslam's. We thought it a compliment to Dr. Gerster to call it Haslam's modification of Gerster's traction bar, but since he objects we will drop his name and take it all ourselves, being the rightful owners.
Douglass JJ. Gerster's Disapproval of the Haslam Traction Bar-Reply. JAMA. 1913;60(8):615. doi:10.1001/jama.1913.04340080055019
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