P.R. Mallory & Co. Incorporated; Divisons: Elkon, Inc., Knapp Electric, Inc.; Indianapolis, Ind.; In reply please refer to; 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; Letterhead consists of text at top and foot of page
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Letterheads, Indianapolis (Ind.), Indiana