PARAGON SUPER ULTRADYNE Transformers, Complete Set In- Reg
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Radio News for August, 1924 255 ing posts, make practically as good and per- manent a connection as though the wires were soldered directly to the posts them- selves. And it is not only a much more con- USE "RAGECO" TOOLS TO BUILD venient method, but it eliminates the possi- bility of spoiling any of the parts. BETTER RADIO SETS Four or five dozen of these washers should be on hand be fore you start wiring the set. It is an excellent plan to prepare several BR 701 pieces of bus -bar wire in advance by cutting them in varying lengths from two inches up RADIO TOOL SET to 18 or 20 inches, and then soldering one This is the handiest set of tools ever of the washers ill=1ll11110ü to one end of each. made for Radio Work by the makers A few pieces of wire may also be bent of the famous "Yankee" tools. It con- double and soldered to the washer at the !4qÑNECl'I yaN tains the following : One ratchet bend, - screw- so that two leads of wire may be 4 driver, 6Y, in. long, holding all attach- attached to any one of the binding posts, ments ; one blade, 5;% x 3/16" ; one when specified in the diagram. (See Fig. 2.) blade, 3% x 5" ; one blade, 2% x a"; one countersink; two socket wrenches Washers for eelathing fo dindin9 Pasts for all small nuts; one reamer to en- large holes in panel from 1" to ". IIIII É^ / Y,,k. III 111IÌ One wrench, one end 5/16 " square or hex., other %" hex. for jacks, etc. Bend PRICE (Per Set) $3.00 Price per set in cardboard box, $3.00. Solt/er wire *older Bus bor wire BR 703 -TOOL CHEST Set consists of "Lockgrip" Master Handle, 5 inches long, black Rubberoid finish with fig. very strong steel chuck, nickel plated and buffed, and the following nine tools : Soldering lugs are employed and soldered to Saw, Bradawl, Large Screwdriver, File, the wires as shown. Scratch Awl, Gimlet, Reamer, Chisel, Size, 31/4" x 512" Small Screwdriver. Each tool macle for These prepared wires will save you con- real service, about 4 inches long, fine steel. siderable time when you start wiring up PRICE $1.85 drop forged, hardened and tempered and your set. Select one as near as possible the nicely finished. length required, bend it to the desired shape, The set comes in a well made leatheroid covered tool box, 3 4" x 5/ ", with tray. cut off any surplus and solder another Price, $1.85. washer on to the opposite end for the other terminal. BR 303 -HAND DRILL SOLDERING AND HOW TO DO IT The hardwood handle is hollow to store The importance of having drills. Iron frame, nickeled parts, ball all of the con- bearing, nections in a radio set soldered properly can- three -jawed chuck holding and centering accurately round shank drills not be emphasized too strongly. If you Size, 12 inches expect to obtain the best results from your from 0 to 3/16. Length of drill, 12 inches. PRICE $2.25 Price, $2.25. set, it is absolutely necessary that all of the wiring connections, including the lead -in from the aerial, ground, batteries, jack, and all of the wiring connections within the set, BR 702 be well soldered. Do not use an acid solder- ing flux. Use resin core solder, which comes RADIO HANDITOOL already prepared, or resin flux; either of Bends Bus bar or wire, strips and scrapes which may be obtained at any radio store. A soldering iron, even one of the smaller wire, bores and reams holes, countersinks electric irons, is rather a clumsy tool for holes, etc. Tool consists of 4" black jap- soldering small wires and parts such as are aned handle with nickeled ferule, to which used in a radio set. It is a much more is attached wire bending device and 3" convenient method to use an alcohol lamp, long two sided reamer. such as a jeweler uses, for this class of Price, 50c. work; and a much neater job will be the PRICE 50c result. For soldering the wires to the washers, BR 800 -ELECTRIC proceed as follows : First, clamp the pro- SOLDERING IRON jecting points of the washer tightly over the wire. Then hold the wire at the opposite J M> Perfect tool for the Radio Constructor. end from Works either on 110 -volt A.C. or D.C. the washer and hold the washer in Size 10V2" long the flame for about 10 seconds, or until it be- The heat element is of Nichrome, which comes heated ; then touch the spot to be PRICE $2.00 prevents overheating and assures the de- soldered with the end of your "`stick" of sired even temperature. resin core solder until a drop melts off. Size of Iron, 10% inches long. A 4 -foot cord and plug is furnished. Price, $2.00. Hold the wire and washer in the flame just long enough for the drop of solder to flow Order by order numbers. Remit by check, money down around the wire. Then remove in- order, stamps or cash. All goods are shipped free of transportation charges to all parts of U. S. and The Radiogem stantly and allow it to cool. Do not allow possessions same day as order is received. If not Corp. satisfied, money will be refunded upon return of the work being soldered to become too hot g ood s. 66 -R -West B'way, N. V. City or the solder will flow too fast and drop off. If it is not hot enough, it will not adhere to the work. A few trials, however, will Write for complete illustrated FREE Catalog of soon show the proper temperature for best Perpetual Radio Fuse $2.50 results. $100.00 reward if you can blow your tubes with this protector in your circuit according to our instructions. This method will apply to any other class PARAGON SUPER ULTRADYNE Transformers, complete set in- Reg. U. S. Pat. Off. cluding blue print $16.00 of work you may have to solder about your ULTRA SYNCHRODYNE Coils, set of three $7.00 set. Keep in mind that RADIO PRODUCTS Including blue print. with condensers $17.00 whatever you are DEALERS and JOBBERS we have an attractive terri- soldering must be heated -not too hot ADAMS -MORGAN CO. tory proposition. - THE STANLEY RADIO COMPANY, Manufacturers. 6 Alvin Place Upper Montclair, N. before the solder will stick. J. 2947 Lorain Avenue Cleveland, Ohio If the work you are soldering is not clean, it must be cleaned by filing or scraping with a knife before the solder will stick to it. Insure your copy reaching you each month. Subscribe to Radio News-$2.50 a year. When soldering insulated wire from which Experimenter Publishing Co., 53 Park Place, N. Y. C. www.americanradiohistory.com.