EXPLORING THE ATOM'S ANTI-WORLD! WHITE'S RADIO, LOG 4 AM -FM- STATIONS WORLD -WIDE SNORT -WAVE LISTINGS WASHINGTON TO MOSCOW WORLD WEATHER LINK! Command Receive Power Supply Transistor TRF Amplifier Stage TEST REPORTS: H. H. Scott LK -60 80 -watt Stereo Amplifier Kit Lafayette HB -600 CB /Business Band $10 AEROBAND Solid -State Tranceiver CONVERTER 4 TUNE YOUR "RANSISTOR RADIO TO AIRCRAFT, CONTROL TLWERS! www.americanradiohistory.com PACE KEEP WITH SPACE AGE! SEE MANNED MOON SHOTS, SPACE FLIGHTS, CLOSE -UP! ANAZINC SCIENCE BUYS . for FUN, STUDY or PROFIT See the Stars, Moon. Planets Close Up! SOLVE PROBLEMS! TELL FORTUNES! PLAY GAMES! 3" ASTRONOMICAL REFLECTING TELESCOPE NEW WORKING MODEL DIGITAL COMPUTER i Photographers) Adapt your camera to this Scope for ex- ACTUAL MINIATURE VERSION cellent Telephoto shots and fascinating photos of moon! OF GIANT ELECTRONIC BRAINS Fascinating new see -through model compute 60 TO 180 POWER! Famous actually solves problems, teaches computer Mt. Palomar Typel An Unusual Buyl fundamentals. Adds, subtracts, multiplies. See the Rings of Saturn, the fascinating planet shifts, complements, carries, memorizes, counts. Mars, huge craters on the Moon, phases of Venus. compares, sequences. Attractively colored, rigid Equat rial Mount with lock both axes. Alum- plastic parts easily assembled. 12" x 31/2 x inized overcoated 43/4 ". Incl. step -by -step assembly 3" diameter high -speed 32 -page instruction book diagrams. ma o raro Telescope equipped with a 60X (binary covering operation, computer language eyepiece and a mounted Barlow Lens. Optical system), programming, problems and 15 experiments. Finder Telescope included. Hardwood, portable Stock No. 70,683 -HP $5.98 Postpaid tripod. FREE with Scope: Valuable STAR ENS" CHART plus 272 -page HANDBOOK OF HEAV- plusY "HOW TO USE YOUR TELESCOPE" BOOK. ASTRONOMICAL HOOTS. U.S.A. Stock No. 85,050 -HP $29.95 Postpaid Keep Pace With the Space Age 41/4íf Reflecting Telescope 225 Be rea,IV for the moon shots. See the Incredible à Stock -up to Power verse. Choose from wonders of the Uni- No. 85.105 -HP $79.50 F 0.8 the world's largest selection of telescopes and SUPERB related equipment. Complete range of reflectors. refractors. panoramic. 6" REFLECTOR TELESCOPE terrestrial, spotting, etc., ranging from advanced precision instru- Up to 576 Power. Equatorial ments to inexpensive, build- your -own mount and Pedestal Base. able. Drives, Mounts, kits. Every accessory imagin- Stock No. 85.086 -HP $199.50 tinders, mirrors, eyepieces. lenses, fillers, F.O.B. equipment for astrre photography. charts, maps. models. slides, study aids and classroom helps. Write for Free giant catalog "HP ". BRILLIANT ELECTRONIC FLASH TUBES FOR PHOTOGRAPHERS & MECHANICS Time your carc Ignition, use for light, control photoflash, signal 'FISH' WITH A WAR SURPLUS MAGNET tubes. or as strobe light. These flash with Go Treasure sealed electrode ta each end. gMfd. by G1pE. Hunting on the Bottom n.strur, oil Incl. Great idea! Fascinating fun and sometimes Low voltage tube for low energy mendously profitable! tre- plications. Operates repetitive flash ap- Tie a line to 0 5 -lb. Magnet- - on an anode between 120 - drop it overboard in bay river, )/a diem. lar ignition timing, and 500-V.. 2 -1 /a' lg. x along the vint tom lake " ce n. Troll It capacitor. 4 -sec. 130 -v. with 3O30 -your "treasure' haul 'rcan Inc outboard ev. flash rate, 20 -hr. approx. fd.life. motors, anchors, fishing tackle, all kinds of metal STOCK NO. Cables. valu- 40.725 -HP $5.20 Ppd. 5-lb. Magnet is war surplus-Alnico V Type -Gov't. ortable photo equipment applications ost, $50. Lifts over lbs. on land-much greater ings protecting in covered reflectors or hous- weights under water. Order now and ta user from contact with hig votage. Low operating try this m sport. voltage (400- to 550 -V.) well suited Stock No. 70,571 -HP 5 Ib. Magnet capacitors. 2ía" high eq" for use with electrolytic type $12.50 Postpaid diem., mounted on a 1 -ap" Stock No, 70.570 -HP 3'/ Ib. 40 1/16" thick wafer base designed to be crimped diam. x Lifts lbs $8.75 Postpaid pins serve a soldering terminals. into reflector. Three Stock No- 70,572 -HP 7'/ Ib. Lifts 175 lbs Ppd. 450 -V. Typical, photo flash application uses Stock $18.75 on the anode with 1050 fd. capacitance. 4200 lumen No, 85,152 -HP 15 Ib. size, lifts 350 lbs $33 60 FOB [put. peak lumen output 4 x 106, 2,min. -sec STOCK flash rate. NO. 40,726 -HP $9.00 Ppd EXPLORE THE FASCINATING WORLD OF MAGNETISM MAKE YOUR OWN POWERFUL NEW 23 MAGNET VARIETY CC ASTRONOMICAL KIT TELESCOPE 11 Shapes) Many Compositions! d Grind l FIMMIL Your Own Astronomical Mirror Ever Kits contain mirror blank, ripen tomatoes by magnetism paint pic- I es, tool, abra- tures using magnet a brush diagonal mtrrur and eyepiece as Surprising and iron filings _. I paint? new } ' #- oses. Yp b' ill instruments Bing bewildering ideas and uses for the 1sasWS" n forces of magnetism slue fron g7L.U0 to hundreds of discovered. are continually - in I' -" dollars. Here. one low -cost kit, you can learn and Stock No. Diam. Mirror Thickness Price experiment with varied materials that obsoleted Magnetite-the natural magnetic , 70,003 -HP 41/40 a ' Terrific assortment includes ferrites, ceramics, 70,004 -HP " 4 , flexible rubber, alnico in go 1 / $11.95 ppdpod. every shape imaginable 70,005 -HP 8" -up to 20 lbs. pull. Used every day in the modern wonders of mag- 13/e" 19.50 ppd. netic microphones . magnetic 70.008 -HP processing of bank checks . .. mem- 10" la /a" 30.751 f.o.b. r -y ores for electronic computers, flow meters, immense generators. 70.007 -HP 121/2" 21 transformers, motors, /s" 59.95 I. Barrington etc. All kinds of practical everyday uses, too. Make tool and knife holders, pick -up tools, bulletin boards, automatic BRAND NEW, INDUSTRIAL stirrers, magnetic games and puzzles. Your own ingenuity SURPLUS dozens of innovations-perhaps can produce NICKEL- CADMIUM CELLS AND BATTERIES patentable. BUY OF THE YEAR! Sizes range from a4" x 7/16" x 7/16" to 3" x 3" x 1/32 ". Incl.: These hard -to -get, three -2 sided ceramic, flexible strip, alnico bar, ceramic, alnico disc light- weight, 1.2V nickel- cadmium cells w/center hole, 2 lg. alnico in rugged nylon cases have 4 -amp. hour capacity. Hundreds cyl, sm. Inico cyl, flex. sheet, 2 baby b[ uses for hobbyists, amateur photographers. alnico bar, 3 channel-type pole pieces a for sm. ceramic magnets. bar uilders, etc. By connecting campers, model magnet keeper, 2 disc magnet keepers, romp), info. inst. cells in you make bat- No. -HP tery voltage in multiples of, e1.2V. Excellent for re- Stock 70,780 $5.00 Postpaid chargeablef ay lanterns; cycle, scooter, bicycle, and boat w R its; campp g portable fluorescent and ultraviolet lights; electronic flash units. Model buffs will find celloells perfect for RUGGED, LOW -PRICED powering model boats, cars, etc. Cells have life, will undergo thousands discharge unlimited EXPERIMENTAL ELECTRO- MAGNET cally no deterioration. f -charge cycles with practi- Hobbyists, instructors Quick charge- hour ith proper equipment. will and industrial lab me Minimum maintenance: Just add a few drops water each year. Small find this well -built Electro- Magnet inval- amount o f electrolyte used; cell sealed uable. Demonstrate principles of lectro -mag- 100í''r of output to prevent loss. Delivers almost etism. Actually lifts 100 Ms. when powered at below freezing temp tures where output Is re- by duced 50rß in lead-acid cells. No corrosive fumes given off under any a single flashlight battery. Easily stage of recharge. Can't be damaged by accidental charging in re. Includes instrctions verse (but not recommended). Cell meas. 6" x 2" x t /.¿" thick. 61/2 magneticn and Stud -type terminals on top 11 /g" apart, marked for polarity; force.ca area of contact, thread, nuts and lock washers. 0.32 retentivity nd field configuration. Unit includes ONE 1.2 VOLT NICKEL -CADMIUM CELL magnet anda ñoke assembly, battery holder. leads, clips and eyebolts. Stock No. Steel c and yoke precision ground for max. flatness. About 21/2" 40,798 -HP $3.95 Postpaid dia. x 41/2" lg. Wt. 2 lbs. ONE 6 -VOLT NICKEL -CADMIUM BATTERY. 5 -cells In stainless steel. Stock No. 60,435 -HP strap-type casing. Convenient power source for Edmund's war surplus $10.00 Postpaid sniperscope (No. 85.1577. 6" x 2" x 4 ". Wt. approx. 2 lbs. Stock No. 70,776 -HP $15.00 Postpaid ONE 7.2-VOLT NICKEL -CADMIUM BATTERY COMPLETE WITH Bargains Galore! Hours of Fun! Only $5 CHARGER KIT. Assemble your own portable battery power supply with built-in charger. Excellent for portable movie light. S1í -cell battery in NEW POPULAR SCIENCE FUN stainless steel, strap-type casing; 12 -volt transformer; charger circuit CHEST board sisting of rectifier and automatic regulating circuit (tran- Itere are Edmund's 9 top selling science toys sistorized) which protects against overcharging of battery. Complete and curiosities in one fascinating, low -cost with wire, switch- line cord, hardware and instructions. 6" x 6" x 2 ". package. Wt. approx. 2 Perfect gift item- Amuse and delight lbs. young and old for hours on end- Educational Stock No. 70.777 -HP $25.00 Postpaid tool Teach basic science principles in a won- derful new fun way. Incl.: Solar Radiometer - MAIL COUPON FREE spins at 3,000 rpm; Albert the Bobbing Bird- for CATALOG "HP" calls continuously on thermal energy; Amazing EDMUND SCIENTIFIC CO., Barrington, N. J. Sealed Mercury Puzzle; Five 2 -sided Ceramic Completely New 1966 Edition.