A universal clip or fastener for crutch handles, stretchers, tools, tent poles, hooks, lamps, and handles, applicable also for joining lengths of poles, rods, tubes, and the like / [Ernest Augustus Barber Beaumont].

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A universal clip or fastener for crutch handles, stretchers, tools, tent poles, hooks, lamps, and handles, applicable also for joining lengths of poles, rods, tubes, and the like / [Ernest Augustus Barber Beaumont]. Public Domain Mark. Source: Wellcome Collection.