Judge — August 23, 1924 — page 36: what you’re looking at

Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.

Is there a Mine underneath Your Home? How radio may be employed to detect undiscovered mineral, coal, and oil deposits is the subject of a remarkable article in POPULAR RADIO for September —out on the newsstands today. Don’t fail to read it! TOP at your nearest newsdealer’s today. Ask for a copy of the Septem- ber number of Poputar Rapio—just out. Read ‘‘Finding Mines by Radio,” which tells of the new method which Science is developing for the investigation of underground ore deposits! To see into the earth by radio, as if rocks were made of glass, is one of the recent amazing human achievements which radio engineers are tackling. 7 ; Every month Popuar Rapio reports these developments of radio science and art—brings you, in clearly understandable language, an appreciation of what radio is, and how it works. But that is by no meansall. PopuLar Rapio is essentially a magazine of practical help to the radio fan who wants to get the most out of his receiving set. If you are not already familiar with PopuLar Rapio—“the Magazine with the Silver Cover,” simply use the coupon at the left and take advantage of our special money-saving offer of a 5 months’ trial subscription for Ae only a dollar. XN How to build your own set; how to improve the set you now %\ have; how to eliminate interference, reduce static, get greater AY distance, louder volume and clearer tone; what to watch erweras. ‘a out for when buying equipment; hints and pointers of New York Gity every description—all are covered by PopuLar Rapio’s Bam pat Sour \ interesting text, illustrations, photographs and dia- money-saving offer S months of Porutar %, rams. Rapto for only a dollar. Here's my dollar. Send m the current September issue % at once to start this 5 months’ ® subscription. N. 627 West 43d Street 823 A 5 months’ trial subscription for a dollar will save you time and money. New York City How to Build a Multi-Wave Tuner Full description, with detailed working diagrams and plans, on how to build a tuner that will bring in everything within range that is coming in over the air. Every part required for its construction is listed, Seo pages 281-287 of POLAR Rapto for September. Helpful Hints on Tuning By John V. L. Hogan. The second of a new series of articles in POPULAR RapIo by one of the foremost radio engineers of the world. PoPuLaR. Rapio is well- known for its authoritative articles by famous scientists. Read this one in the September number. Radio and the Next War Major-General Charles Saltzman, Chief Signal Officer of the Army, shows the tremendous influence that radio is destined to have upon military and naval optra- tions in fighting the next war. ny startling and sensational facts are told in this leading article of the September issue. A Cockaday Article | Laurence M. Cockaday, Technical Editor of Poputar Rapio, describes by word and icture a simple single dey-cell tube Reflex eceiver, which can be built by a beginner with no ‘knowledge of radio whatsoever. Cost of parts, not more than $25. | Receiv- igg range up to SC) miles. See PoPULar Rapio for September. Pointers for the ‘‘BCL”? How to prolong the life of your tubes; the eflect of trees upon an aerial; pointers about, your lead-in; how to avoid body capacity, and numerous other helpful hints for the Broadcast Listener are given by Y. Z. Muts in this September number of Porutar Ravio. Just the sort of. in- formation that most novices appreciate. comicbooks.com