| http://www.w3.org/ns/prov#value | - In a coin chute oi the class described including a laterally opening gate which forms one side wall for a portion of a coin passage, the combination of testing means comprising anonmagnetic metallic plate mounted'on said gate in substantially parallel spaced relation thereto. 'so as to fonn a side wall portion for said passage opposite said gate, that portion oithe passage between the gate and pla
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