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Metal ammoniaphone

Metal ammoniaphone

1871-1900
Pewter ammoniaphone

Pewter ammoniaphone

1871-1900
Dr. Carter Moffat's amoniaphone for voice cultivation

Dr. Carter Moffat's amoniaphone for voice cultivation

1871-1900
Cardboard box for ammoniaphone

Cardboard box for ammoniaphone

1871-1900
Ammoniaphone to treat chest and throat diseases, English, 1871-1900

Ammoniaphone to treat chest and throat diseases, English, 1871-1900

1871-1900
Metal ammoniaphone

Metal ammoniaphone

1871-1900
Cardboard box for ammoniaphone, English, 1871-1900

Cardboard box for ammoniaphone, English, 1871-1900

1871-1900
Metal ammoniaphone, for voice cultivation, in box, invented, by Dr. Carter Moffat, by Medical Battery Co., London, 1871-1900

Ammoniaphone, 'for voice cultivation by chemical means', English, 1871-1900.

1871-1900
Metal ammoniaphone with original cardboard packaging. For voice cultivation, invented, by Dr. Carter Moffat, by Medical Battery Co., London, 1871-1900

Ammoniaphone, 'for voice cultivation by chemical means', English, 1871-1900.

1871-1900
Advertisement for a fire extinguisher

Advertisement for a fire extinguisher

1871-1900
Price list and instructions for recharging the ammoniaphone

Price list and instructions for recharging the ammoniaphone