In order to facilitate the exchange and sale of second hand apparatus
“QST” will print, free of charge, want and for sale ads. up to a
reasonable number of words. The publishers reserve
the right to withhold any ad. which is against
the policy of this department
FOR SALE OR TRADE—Sending and receiving set including Brandes 2000 ohm “Superior” head set, also Blitzen high frequency coio. Wanted: ¼ K. W. transformer, mounted or unmounted. P. E. Nelson, Ft. Smith, Ark.
FOR SALE—An R-J4 Audion, good as new, but with bulb burnt out. First good offer takes it. Other materials also for sale. Harold Burhop, 1945 N. 7th St., Sheboygan, Wis.
FOR SALE—Wireless set consisting of loose coupler set, with detector and condenser on base; 1 pr. Murdock phones; 1 Mesco key, value $2.00; ½″ spark coil, wire and switches, Price $10.00, or will exchange for a wheel. Frank Cummings, 2132 Washington Ave., Bronx, N. Y.
FOR EXCHANGE—One Colby receiving transformer, $5.50; one 1″ spark coil; and one electrolytic interrupter. Wanted: Murdock or Blitzen variable. Geo. M. Hearne, Carthage, Ill.
FOR SALE OR EXCHANGE—Wireless receiving and transmitting outfit in whole or in part. This set has produced excellent results but the owner can no longer use it on account of studies. Francis B. Southwick, 176 Waban Ave., Waban, Mass.
FOR EXCHANGE—110, V. D. C. motor for 110 or 220 V. A. C. motor or anything of equal value. Motor is in practically new condition, and is suitable for rotary gap. A. Saenz, 146 West 65th St., New York.
FOR EXCHANGE—One Dundoplex key (similar to Vibroplex), nickel plated, value $15.00, for pair of 3000 ohm phones and high-speed motor, an Audion detector, or other wireless goods. F. S. Morrison, 1376 So. Lincoln St., Denver, Col.
FOR SALE—One pair Brandes 3200 ohm Navy Type Head-set, just received from factory where both were magnetized and one receiver re-wound. The phones are in perfect condition. Price $10.00. Robert W. Orrell, 87 Frederick Ave., Detroit, Mich.
FOR SALE OR EXCHANGE—Pair of E. I. Co.′s 2000 ohm receivers for a good variable, 43 plate type; 60 ft; of copper ribbon, ¾″ x 1-64″, valued at 4c. a foot; 9 glass plates, 18″ x 18″ x 3-32″, with foil; brass switch points, lacquered, ¼″x¼″ with 8-32 thread, fine for rotary gaps. Frederick Gamble, 2412 Putnam St., Toledo, Ohio.
EXCHANGE FOR SENDING APPARATUS—A complete receiving set, with exception of phones. Does 1300 miles. Also oscillation transformer and variable sending condenser. Arthur Mekeel, Box 523, Highland, N. Y.
WANTED—A pair of good phones and a rotary variable condenser. Have a Browne No. 2 camera and daylight developing tank for same; also other apparatus. R. L. Pentland, 5225 Woodlawn Ave., Chicago, Ill.
FOR SALE—One pr. 2000 ohm amateur head-set (E. I. Co.); ½ K. W. transformer coil; one spark gap (both E. I. Co.); one condenser, suitable for above coil; one loose coupler (800 meter) for Audion, cash, or something suitable. Debert Westover, Marysville, Wash.
FOR SALE OR EXCHANGE—Six Murdock sections; two Ferron detectors; one key; Blitzen variable condenser parts; Perikon detector, three K. W. fixed gap; other material and parts. Roy C. Burr, 68 East Elm St., Norwalk, Ohio.
WANTED—Audion detector No. R. J. 4. Must be reasonable. Harold I. Sticher, 15 Bedford Ave., Monticello, N. Y.
FOR SALE OR EXCHANGE—½ K. W. Blitzen transformer; Ferron detector stand; 1500 meter tuner; ¼″ coil; 20 speed rheostat for gap motor; 1000, ohm receiver complete. Maurice B. Rann, Morrice, Mich.
FOR SALE—Four inch Mesco spark coil in excellent condition. Justus Agnoli, 16 Purvis St., Long Island City, N. Y.
FOR SALE OR EXCHANGE—One type B crystaloi detector in good condition, $2.25; 100 ampere, 600 volt Lightning Switch, parts, less base, $1.50. Wanted; Blitzen or Murdock 43 plate rotary variable condenser. W. A. Meyer, L382 N. 13th St., Sheboygan, Wis.
WANTED—Clapp-Eastham Blitzen receiving transformer and variable condenser. Price must be reasonable. Murdock detector for sale or trade. H. D. Mattox, 260 West 11th St., Pomona, Calif.
FOR SALE—Two new DeForest Audions, no renewals necessary. Wanted a burnt out Audion. Quote lowest price. Wm. P. Earle, Jr., Box 375, White Plains, N. Y.
FOR SALE OR EXCHANGE— “Dazzler” bicycle gas lamp, $1.00; also one second hand “Solar” gas lamp in good condition. Will sell cheap. Wanted: good rotary variable condenser at a reasonable price. E. H. Snider, 20 Normandy Ave., Rochester, N._Y.
FOR SALE—1 K. W. rotary, $15.00. All communications answered. Harold Burhop, 1945 N. 7th St., Sheboygan, Wis.
FOR SALE—Complete Blitzen receiving set in good condition, or parts of same. Will Sell cheap. C. G. Fuss, Little Valley, N. Y.
BARGAINS—One Bulldog 1″ spark coil without vibrator, $2.00; one commercial $5.00 key, $1.00; one ¾ K. W. Thordorson transformer (cost $18.00), $9.50. Must sell quick. W. J. King, 462 Pine St., New Orleans, La.
EXCHANGE—1 K. W. Clapp-Eastham transformer for ½ K. W. Thordarson with variable condenser to boot. Write me your wants. King Sam, 17 N. Elm St., Waterbury, Conn.
FOR SALE—Clapp-Eastham half K. W. Hightone set complete with continuous primary adjustment, $75. C. E. Type D Commercial Tuner, mahogany case with mounted loading coil, cost $100, $70. Blitzen Receiving Set with self-contained detector, $18. 1 Vibroplex key, $7. 1 Highgrade Omnigraph, $15, all in new condition. F. Underwood, Room 437 49 Westminster Street, Providence, R. I.
FOR SALE OR EXCHANGE: All kinds of wireless apparatus, including 80 watt dynamo, one to one transformer for audion amplifier, audion attachments, etc. Am in need of head-set, loose-coupler, variables, etc. Write me what you want or need. J. W. Holligan, 328 East 19th St., New York, N. Y.
FOR SALE—The best text book of wireless telegraphy. Written by Dr. Zenneck. The book is noted for its wonderful illustrations and is an authority on the subject. The Officers of the League can recommend no better book. Price $4.00. The Secretary AMERICAN RADIO RELAY LEAGUE, Hartford, Conn.
FOR SALE OR EXCHANGE: Harley Davison 5 h.p. motor cycle engine in perfect condition, new 2A Browne Camera, $15 New Mirrorscope for gas; K. D. battery motor cost $5.00 will sell for $3.00. Sydney Rosenthal 116 E. Tupper St., Buffalo, N. Y.
FOR SALE: 3 Galena detectors 30c. Each; Brandes superior phones, $3:50; two 4-volt motors 50c. each; 1 automatic telegraph teacher with tape, 50c.; Murdock 1500 ohm phones brand new, super-sensitive, $3.50; two extra heavy wireless keys, $1.60 each; Mesco fixed condenser, 40c.; ½Kw. Spark gap, 75c.; postage on all, extra. Clinton B. Stanley, 153 Mariner St., Buffalo, N.Y.
WANTED: Articles, photographs, anything that interests the amateurs. For “QST.” The Editors, AMERICAN RADIO RELAY LEAGUE, Hartford, Conn.
FOR EXCHANGE Each month, a brand new number, of a brand new wireless magazine, filled with brand new articles, on brand new subjects. Will exchange twelve numbers of this brand new wireless magazine, “QST,” for one dollar. Address, Secretary, AMERICAN RADIO RELAY LEAGUE, Hartford, Conn.
WANTED: Subscription agents for “QST.” Help yourself, help the LEAGUE, help everybody. Address, AMERICAN RADIO RELAY LEAGUE, Circulation
Agent, Hartford, Conn.
FOR SALE—One pair 1000 ohm Murdock phones; parts of Murdock $8.00 variable slide plate condenser; $6.00 Radio Equipment Co. loose coupler (new); ½″ spark coil; one cat-Whisker detector; also a Morse key; Will sell separately to the highest bidder or will exchange. William Wunder, 5801 Germantown Ave. Philadelphia, Pa.
FOR SALE: Halcum Rotary Spark Gap, cost $12.00, will sell for $10.00. Geo. W. Bonson, 287 East St., Dubuque, Ia.
This work is in the public domain in the United States because it was published before January 1, 1929.
This work may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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