. Catalogue of Pierce & Co. manufacturers of and dealers in electrical supplies .... THE LUDW1G MECHANICAL TELEGRAPH INSTRUMENT. A mechanical set for learners, requiring no battery whatever. It has a full sizekey, a complete set of adjustments and provided with special resonators that ^ivethe correct sounderclick to the instrument. Made in bronzed iron finish; also inbrass, nickel plated. Bronzed Iron Finish, each ... $1 25 Nickel Plated, Brass, u 1 75. LUDWIG MORSE TELEGRAPH INSTRUMENT. gj£ This set is ihe invention of an old time and experienced telegrapher and is themost practical, nea


. Catalogue of Pierce & Co. manufacturers of and dealers in electrical supplies .... THE LUDW1G MECHANICAL TELEGRAPH INSTRUMENT. A mechanical set for learners, requiring no battery whatever. It has a full sizekey, a complete set of adjustments and provided with special resonators that ^ivethe correct sounderclick to the instrument. Made in bronzed iron finish; also inbrass, nickel plated. Bronzed Iron Finish, each ... $1 25 Nickel Plated, Brass, u 1 75. LUDWIG MORSE TELEGRAPH INSTRUMENT. gj£ This set is ihe invention of an old time and experienced telegrapher and is themost practical, neat, compact and effective combination set on the market. It isequipped with a full set of adjustments throughout. Made in Bronzed Iron finish ; alsoin Brass, nickel plated. Bronzed Iron Finish, for local use, each . . $2 25 Nickel Plated, brass, 2 75 This instrument, wound to 20 ohms for long lines will cost 50 cts., additional. 46 O. D. PIERCE & CO., PHILADELPHIA, PA. Telegraph (Mil No. 1


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Keywords: ., bookcentury1800, bookdecade1890, booksubje, booksubjectdivision26