A box of Dr. Carter Moffat’s Ammoniaphone device “for enriching the tone, extending the range of the human voice, and for the treatment of coughs, colds, bronchitis, asthma, consumption, aphonia, or loss of voice, deafness, all affections of the throat and chest.” British, c. 1870-1900. [3504×1487]

A box of Dr. Carter Moffat’s Ammoniaphone device “for enriching the tone, extending the range of the human voice, and for the treatment of coughs, colds, bronchitis, asthma, consumption, aphonia, or loss of voice, deafness, all affections of the throat and chest.” British, c. 1870-1900. [3504×1487]