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Dry cell operated seashore audiometer serial no.66, with head phones, in a wooden case with handle, appears to be in good condition, cannot determine if unit is operable as it requires a dry cell battery, 8.5" H x 11" W x 6.5" D. Included also a Radio Magnavox, audio meter, mounted on wood, without a case, with patents on the bottom dating 1922, cannot determine if unit is operable. 6" H 5.5" W x 8.5" L . Private collection Oxford Mi.
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