Products of P. R. Mallory and Co., Inc.; Elkon Division - Electrical Contacts- Elkonite Alloys - Rare Metals- Radio Products- Rectifiers for Radio and Industrial Use- High Capacity Condensers- Knapp Electric division - Toys- Motors- Sedan fans- Radio Products- Radio "A" Powers; Text at foot of page of P.R. Mallory & Co. letterhead
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Letterheads, Electric apparatus and appliances, Indianapolis (Ind.)