Eastern Electric & Manufacturing Company was a small company located at 140 Chestnut Street in Providence. Their main product was pancake coils.

The company was chartered in 1924 ¹

United States Patent Office
December 8, 1925

Their product line consisted of A three circuit tuner, No. 502, Roberts Circuit Kit, No. 5RC, Browning-Drake Coils, No. 5BD and a short wave tuner covering wavelengths between 40 and 115 meters, No. 5SW. Retail prices were No. 502, $3, No. 5RC, $6, No. 5BD, $6 and No. 55SW, $3.50.

Not a lot of information on who owned or ran the company at this time but they were involved in quite a few law suits, eight in three years.

Providence Journal