Evening Star Newspaper, February 15, 1928, Page 42

4° NEW TELEVSON TEST IS PLANNED Scotch Inventor Believes ' Transmission Effects Can | Be Made Stronger. ; TIIT OFTEN IMPROVES SELECTIVITY }TUNED RADIO FREQUENCY STEP | ar John L. Baird, the | of television. threat- | p on Ame: e field in radioc: can. Last ed, but recog- Ir. Baird p er the } ahead of most receivers will increase selectivity and improve the volume on distance siznals, Such a unit, the wiring diagram of vhich is shown, may be constructed with no more worlt than is required on a one-tube set. ain not more than 8 turs. The lectivity s if a three-inch often results when step of tuned ¢ radio frequency is added to a receiver v as an aid to form 1 The plate of the b a radio frequency choke coil um m ive tube se one tube m apacity of 1006: \.mh d is one although some e v i 1 be encountered 1 controllc roug 1 ¥ be mounted on al volume con- is no indi. ed, even | OF a shield used so “that there w o no magnetic coupling between it he d have ‘aued[ n_with the controls EVENING STAR ISUBURBAL ZONING - HEARIXGS ARE SET “Ilormorr*sry Ccvncnl to Con- sider Ordinance and Maps February 15. - The Board of County Commissioners, g as the Zoning Council for Mont- County, will hold public hearings the ning ordinanee ington-metro- somery County. the Mai : and F jon to provide for the pment of the suburban the ¢ adjacent to e with the politan which h: land National I ning Commi | proper devel ections of Vashington, | the_board 201A tube is fed |, 1 on_the amplifier | e lopme and its environs will be held at building in Bethesda 5 pm In hol the law cn the Maryland Legi sit as a_board ¢ See the AT VATER KENT & R“D HUBER 1217 H St. N.W Franklin 36 BT TP TR N e TWASTITNGTON O the same size coils IH RUARY 15, WEDNESDA V. 1928 | \mw'fl and officially approve the ordi- |ordinance and maps now are on file | nance and zoning maps beforc they |for public examination with the clerk | ccome law. the Washington-metropolitan district. It also divides the district into zones to the Board of County Commissioners |and imposes in each of these zon The ordinance provides for a sys-|at Rockville. regulations designating the kinds . of tematic zoning of the entire area of | The ordinance is drawn by the Park |classes of trades, industries, residence Montgomery County in the meiropoli- {and Planning Commission to limit, reg- | or other purposes for which buildings an district, which includes Chevy |ulate and restrict the location of build-|or other structures or premises may | Chase, Takoma Park, Bethesda, Silver |ings and other structures and of prem-|be permitted to be erected, altered or Spring, Kensington and adjacent prop: to be used for trade, industry,|used. The ordinance also regulates the to th communities. — The | residence or other ceified uses within height, bulk and location of buildings Arwarer Kest prepared by the cc who s area to be "H"‘ regulation: Model 37 The astonishing price of the nerr, six-tube, FuLL-visION Dial, self- contained A. C. set includes every- thing except tubes and a speaker. No power accessories required—no batteries,no charger. For use with 110-115 volt. 60-cycle, Alternating Current. Uses six A. C. amplifying tubes. and one rectifying tube: o) without tubes Why don’t we of T the receiver. he costs of operation as yet. o Constructior a one-tube Co with a .0005 comparat mparative | 157 al pu te_primary or an ond Condensers found 1 ith the up with those on the set (hm,s receiver | “Sweetheart Mem available to the public Sigma Chi,” “D« ¢ recention of cur-|Heart Stood Still An_hour'’s program by the W ton College of Mus object to | program tonight of WT h fr“qjenr\‘}b(‘ selections by a_mixed quartet, com- d that is far too| posed of Lillian R. Latham, soprano: up (00 much | Edna B. Shafer, contralto; Seba Chr | tenor, and Edgar R. Kidwell, bas h the Baird a concert by a string guartet m: Ef.‘mg of Fritz Maile and Vi a Cureton, e to static by om.[uodm Oscar Spencer, vioia, and Ro- s of power in the|land D Jones, celio. <tead of the 2,000 The weekly resume of the affairs in Co'x"r("s by Charles I. Stengle and a Carroll. the | tie, ! Cheap Power From Himalayas. India is p " ELECTRICAL HEADQUARTERS Potomac Blect | Hth & C will follow. | he Ipana | abloid version e National Grand | | are the principal at-| 2C will import from The Troubadours hatve ar- entine’s day program. Every program will have a are "HP rtaches and | Electric “37" Phone now for demonstration without obligation —in your own home. Have it—on Easy Electric Bill Payments Hear it here—now POTOMAC ELECTRIC Reliable Redio on Reasonable Atwater 14th & C St=. N.W. Sta. NW. & ATWATER KENT The “Cent-Meter” Shows the exact fraction of a cent it costs for an hour’s operation of the Electric Radio you select « here. APPLIANCE CO. Terms—DPay on Electric Bills Phone Main Ten Thousand added RF stage, its df Kent Radio One of our Many Nationally Knouwn Lines BEHEcm(‘o DeMoLvLs Rabio CuLus 88 ATWATER KENT and RADIOLA 17 In eur special club inducements Same Day You Join Installation the Piano and lleLL,S IFurniture Co. T'welfth and G Sts. Kent Model 37 tloodward §; Wothrop 1Gth, 11th, F and G Streets Let Us Show You the New Mode! 37 Atwater Kent All-Electric Radio 588 w Keady to Plug In ithout T'ubes or Speaker sker Liberal Terms HOMER L. KITTCO. 1330 G Street new A, ( any electyi Hprove: $134.50, May Be Arranged The Radio Sensation of 1928 THE NEW ATWATER KENT Model 37 ELECTRIC with ALK 13850 Conr ALT Comy SET nient Terms 5 HARR! 2900 14th at Hary rd Col. 101 Open Exeniugs Let us demonstrate the New Model 37 ATWATER KENT a.c. Opera!rd 13 Ccmnlole with A. K. Speaker Just Plug Into Your Light Socket OPEN EVENINGS B & J Radio Shop 3201 Mt. Pleasant St. Col. 7839 Boundford Jones AR"" R J@’%@s@a’é‘é Eac 3 5,3 A'rw&'a‘am vq. r&i‘ In Handsomc CABINETS Visit Our Displuy boost it harder? A FTER a few days’ experience with the new Atwater Kent A.C. set, radio listeners say to “You didn’t tell us half when you said this was a good set. It’s more than good. It's a wonde harder?” ! Why don’t you boost it We do boost it. The trouble is that words cannot tell the whole story. A few evenings in your home—that's the way to find out—from the Atwater Kent 37 itself. It is so small you can place it anywhere. The cord that brings the power from a lamp socket of the house lighting system (at a cost of only a fraction of a cent an hour) is more than ten feet long—giving you your choice of position. The unusual design and the soft glowing beauty of the satin finish please everybody. Now for listening! With a tiny gold switch you snap on the power. With the Frri- viston Dial you summon the programs. It’s magic—this Frrt- viston Dial. You see it all at a glance. You jump from station to station in a split second. It's like hitting the bull's-eve with every shot! And the tone! When you realize that the re-creative genius music of their instrument tion can be attained. ou will marvel how such perfee Raise the lid! For your answer—raise the lid and make a closer examina- tion than you had time for in your first eagerness to see what the set would do. You will see how the space-saving compactness of the set has been accomplished—how the cabinet is <o constructed that it completely shields the electrical assembly inside—how the power supply is doubly shielded—how every visible part is beautifully made and finished. You will know it to be a fact when we tell you that the parts vou don’t see—even the tiniest of them—have received equal attention. You will know that all this counts in the performance of the Atwater Kent 37— in your lasting satisfaction. Hoxw they talk about it! Lasting satisfaction! You must have it. That is why we match every working part of every receiver—why we put every re- ceiver through 222 tests or inspections—why many parts are tested for accuracy to a fraction of a thousandth of an inch —why every tenth employee in the whole 15-acr Kent factory is an inspector or tester. Atwater That is why so many people—veterans of radio and nov —have bought this new seli-contained A.C. any are buying two sets for different parts of their homes—why t} telling their friends about it and the astonishingly low price made possible by big-scale production—why. almost over- night, the Atwater Kent 37 has become the most popular set—why of this sct xlm s full justice to the voices of the artists and the radio in the world. Try it. You'll sec! Model E Ancater Kent Radio Hour everv Sunday night Radio Speaker on 23 associated stations % 24 io's truest voice. Al parts against moisture. Comes in a variety of beauti- ful color combinations. Wholesale SOUTHERN Distributors O Dial Reververs b Praces siighidy g ATWATER KENT MFG. COMPANY A. Anwcater Kent, President 4700 Wissahickon Avenue Philadelphia, Pa. WHOLESALERS, 1519 L St. NW. Decatur 130 _ lnc. Wm. E. 0'Connor Retail Convenient Dealers Terms CHIDAKEL BROS. 509 Seventh Street S.W. Main 4996 BUY YOUR No. 37 ATWATER KENT RADIO HERE A LOW-Priced All-Electric Set only ~ S8 ~ Wik Tubee 573Q.50 and Speaker 523 11th St., Main 2067 Installed Free—Easy Terms Arranged COME IN TODAY AND HEAR THE WNEW ATWATER KENT SMITHS < COLUMBIA ROAD Fastest and Best Radio Service in Town ADAMS 2927