Judge — July 26, 1924 — page 36: what you’re looking at

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

Is Mars Signaling to Us by Radio? On August 22d the planet Mars will be at its nearest point to the earth—closer than it has been for more than 100 years! All over the world scientists are preparing to communicate with our distant neighbor by radio. Read about it in Poputar Rapio for August, now on the newsstands. F Mars is inhabited—as most scientists believe it to be—the months of August and September will be the time when her people will be most likely to attempt com- A Remarkable munication with us. 2-Dry Cell Tube Receiver What our own scientists and astronomers are doing to establish communication with rj ; j ‘ the Martians, and what will be their methods of working out this stupendous problem — | jccmgngous inal strength for loud speaker, and is told by Fitzhugh Green, U.S.N., in Poputar Rapto for August (at all newsstands, build, are the features of this remarkable, Two- 25 cents). for August, The latest development of the staff of Porutar Ravio Laboratory All. constructional By what ciphers or code can we most easily signal to them, and they to us? Will details given, with photographs and diagrams. Professor Goddard's famous “‘space rocket’? be able to reach the planet Mars, at its . = * distance from us of 36,000,000 miles? Are radio waves likely to penetrate this vast | How to Get Good Reception distance without being scattered? By John V. L. Hogan. ‘The first of a new series of : articles in Porutak Rapio by one of the foremost Immensely important questions are these, and the answers to them open up a new radio engineers of the world. Potutar Rapio is world of scientific investigation, of romance and adventure. ferns, for, tb authoritative: arsides ‘by femens ~‘ In Poputar Rapro for August you will also find many other articles of inter- est and many timely, practical suggestions for getting the best results from 726 \ radio. How to build your own set; how to improve the set you now have; In this article by Eduard Belin himself, is revealed how to eliminate interference, reduce static, get greater distance, louder | fo" the first time complete, description of his P \ volume and clearer tone—all are explained by simple text and illus- | #22 ifusnont bs 27 West Ga St trated charts and diagrams. pays : New York City : . A ‘“‘How to Build’’ Article Lam glad to tuke “®. If you are not already familiar with Poputar Rapio, “the Maga- for Beginners Secret Pictures by Radio synace ot loner” ‘%\_ Zine with the Silver Cover”—being read eagerly every month of'5 monthe of Porutas by a quarter of a million radio enthusiasts—simply clip the A new and exclusive feature of Porutar Rapio is ee SS Se coupon at the left and take advantage of our Get | its picture diagram: which enable the beginner to : . i construct a set of his own, simply by following a the following address all re- Acquainted Offer. It will save you money, and will | picture. In the August issue is shown how to build maining issues for 1924, begin- = send: Ff in- a single dry-cell tube Four Circuit Tuner—by L. M. ning with August. bring to you all the remaining issues of 1924, begin Cockaday, Technical Editor of Porutan Rabio. ning with August, for only a dollar! Helpful Hints for the “BCL” (Name) iP I R at ce. How to save your tubes, how to test pais, «re ee wer 0 PLULATSENAGLO Bae cal Sears craics ore oie of value to the radio fan ar in this concise article in August Porutar Rapio by Y. Z. Mats. Ss, ‘627 West 43d Street New York City PRESS OF WILLIAM GREEN, NEW YORE comicbooks.com