1908 Sears Catalog ad: Extra High Grade Private Line Instruments

. Monday, June 24, 2013

Extra High Grade Private Line Instruments. $1.98 No. 20K6470. 4-Ohm Private Line Instruments for practice on short lines. This instrument consists of an extra high grade aluminum lever sounder and fine steel lever key, mounted on highly polished quarter sawed oak base. Materials and workmanship are the best. The sounder magnets are wound to 4 ohms resistance and covered with polished hard rubber, the sounding bar is made from aluminum and for tone, loudness and quick action is unsurpassed. The fine steel lever key has hardened patina points and thumbscrew trunion adjustments. The sounder frame and key are heavily nickel plated. Price $1.98. If by mail, postage extra 38 cents. No. 20K6475 20-Ohm Private Line Instrument, exactly the same as No. 20K6470, except that the sounder magnets are wound to 20 ohms resistance making the instrument suitable for long distance work. Can be used on lines one-half mile or more in length. Price $2.20. If by mail, postage extra, 38 cents.

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