. QST . rial and lab use—comparable in quality and performance tocostly equipment, yet easy to build at only afraction of the price. Its simple to operate:just turn it on and occasionally flip the high-voltage switch—as radioactive source is ap-proached, clicks in headphone rapidly low-cost long-life batteries. Kit includesall parts, case with handle and leather shoulderstrap, 221^ volt and 1^ volt batteries, AECprospecting booklet, radioactive sample andheadphones. Complete instructions, includingschematic and pictorial diagrams. Size: 6^x5^x214. Shpg. wt., 2H S 242. Knig
. QST . rial and lab use—comparable in quality and performance tocostly equipment, yet easy to build at only afraction of the price. Its simple to operate:just turn it on and occasionally flip the high-voltage switch—as radioactive source is ap-proached, clicks in headphone rapidly low-cost long-life batteries. Kit includesall parts, case with handle and leather shoulderstrap, 221^ volt and 1^ volt batteries, AECprospecting booklet, radioactive sample andheadphones. Complete instructions, includingschematic and pictorial diagrams. Size: 6^x5^x214. Shpg. wt., 2H S 242. Knight Geiger Counter Kit. Only $ Extra Battery Kit. Only $ ORDER THESE KIT VALUES TODAY! ALLIED RADIO CORP., Dept. 1 5-H-5100 N. Western Ave., Chicago 80, III. □ Send FREE Supplement No. 148 I I Send FREE Reconditioned Horn Gear Lists n Send Kit No. 83 S 725 n Send Kit No. 83 S 242 $ enclosed. Name_ Address- City_ Zon« -State- PHINTED IN PRESSCONCORD. N. H. not Nationals great New NC-300 dream receiver Combining the most wantedfeatures of thousands ofDream Receiver sug-gestions submitted by hamsaround the world! SOON at your favorite distributorsyoull see the first receiver inhistory specifically designed to realizethe radio amateurs fondest dreams! National conducted its greatDream Receiver contest monthafter month, to find out what hamsivant most. The NC-300 combines themost wanted features from all of thethousands of Dream Receiver ideassubmitted. You can expect prize-winning performance from theNC-300 because its a real prize-winner. And youll get it —becausesolidly behind this dream receiver _stands Nationals 41-year reputation. Hams have dreamed of a receiverlike this for years. Soon it will be adream come true. Watch thismagazine for the announcement ofNC-300 Day —the date distributorseverywhere unveil the receiver withthe features most hams want, at aprice most hams are willing to pay. *i^-<fa? NC-300 ;
Size: 2186px × 1143px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
