From Physical Education, Vol. 1. No. 1. March 1892.
early Medart platform - 1892
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Originally posted by ventanakazSo is that drum made outta a chainlink fence or rope or bungee cord ?
A few years later but please accept my contribution to this thread. I've found the patent for this. In the Specifiation, look next to #50: "This covering may be of any flexible perforate material, preferably a strong netting as shown..."
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