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THE DAILY BRITISH WHIG. 4 TUESDAY, JULY 18, 1922. ¥. CONWAY, City Passen- Her Agent, 180 Welling~- tom St. Kingston, Ont Phone 1107. Canadian Pacific Railway GRAND TRORK 5svem AGENCY FOR ALL OCEAN STEAMSHIP LINES Special attention given your family or friends going to or returning from the Old Country. For Information and rates apply to J. P. HANLEY, G.P. and T.A.G.T. Ry. Kingston, Ont. Open day and night. 'PHONE 99. EYELET ANCHOR ANCHOR-DONALDSON Montreal to Glasgow EVENTS AT CATARAQUIL Anglican Lawn Social Was Spoiled by the Storm. Cataraqui, July 15.--The Anglican church held a social on J. Clark's lawn on Tuesaday evening. It was spoiled by the thunder storm and it was decided to continue it on Wed- nesday evening but the severe storm at that time prevented. Congratulations are due Miss Eve- lyn Edward, who has passed her normel! schoo! examination. She has een engaged to teach at Forfar. [Miss Alice Bothwell, visiting her sister, Mrs. G. A. Sisco. F. A. 8mith, Plevna, spent last week at his home here. Miss Bessie Blair, Desert Lake, is spending her holidays with her mother. Miss Mildred Eng- land, who was visiting at Dr. Ed- vaards', thas gone to her home at krowiton, Que. Craig Kelly, West- boro, is spending a few days here with friends. The Methodist Sunday school held their annual flower service last Sun- day morning. Rev. G. A. Bisco de- livered an address and a good pro- gramme was put on by members of the school. Some friends from the chy were kind enough to come and help. These were: Mrs. Connolly, Mrs. Trencer, Miss B. Rogers and a male quertette consisting of Messrs. Haffner, Moncrieff, Marshall end H. Baker. A pretty feature was the presentation by Miss Janet Harpeli ot cradle roll certificates to some of the babies present, Miss Bessie Ed- wands, who has been visiting Miss M. Coon at Bigin, has returned bring- ing Miss Coon with her. THIS YEAR SEE THE CANADIAN PACIFIC PRESTON PORTABLE GARAGES AND COTTAGES Write for Iljugtrated Folder THE METAL SHINGLE & SID. ING COMPANY, LIMITED 58 Guelph St., Preston, Ont. Francis Ashbury, Methodist bish- op, born 1775, preached about 16,- 500 sermons during his life. The sebra shark of the Indian oc- ean attains a length of 15 feet. -- JGHNSTON ~»WARD MEMBERS MONTREAL STOCK EXCHANGE TORONTO STOCK EXCHANGE Montreal, is JRADIO, EXPLAINED REGENERATION. When radio frequency potential variations, due to received oscilla- tions, are appiied between the grid and filament of a vacuum tube va- riations in plate current at the same frequency will occur. With no incoming signals there is, of course, a steady, direct' current flowing in the plate circuit, due to the conduction between plate and filament, the energy being supplied by the plate battery. This is true when the positive terminal of the plate battery is connected to the plate, but there is no conduction when the negative battery terminal Is 80 connected. The plate current variations mentioned above are in- creases and decreases of current about the steady value, and re- garding this value as a meau the variations appear to be oscillations in the plate circuit. They are su- perimposed upon the steady, direct current. Whether the amplitudes of these oscillations will be com- paratively large or whether they will be greatly smoothed out or even practically "killed" wil} de- pend upon the reactance of the plate circuit, particularly that due to the magnet windings of a pair of head telephones or the coils of a transformer. The amplitudes of the plate circuit oscillations may be made larger by providing a shunt path of low reactance across the portion of the circuit which contains the high reactance. A condenser shunted across the head telephones provides such a low re- actance "by pass" for the radio fre- quency oscillations. If-the "plate circuit oscillations can be caused to induce oscilla- tions in the zrid circuit in step or in phase with the received oscil- lations the amplitudes of the lattes will be increased. Suppose that the tuned secondary circuit of a re- ceiver is connected t* a vacuum tube so that the potential varia. tions across the tuning condenser are applied between the grid and filament. The oscillations in the tuned circuit are limited in ampli. _tude by the resistance of the cir- cuit, since the total reactance is zero when resonance is secured with the antenna oscillations. This presupposes a fixed applied elec- tromotive force in the tuned cir- cuit, The amplitudes may be in- creased, then, by anything which reduces the resistance of the cir- cuit. Since resistance results in energy loss, it is seen that any- thing which causes energy ww re- Place that which is lost will de- crease the resistance or at least its effect. In such an event the oscil- lations in the tuned circuit being made stronger, the potentials ap- plied between the grid and fila- ment of the tube will be increased. If the resistance were totally com- pensated by the replacing of en- ergy in step with 'the oscillations in the tuned circuit those oscilla- tions would become undAmped. They would be continuous oscilla- tions generated by the tube itself and would have a frequency deter- mined by the inductance and ca- pacitance of the tuned oscillatory circuit, The energy for the self- generated oscillations is, of course, drawn from the plate battery. There are ways in which energy may be fed back td the grid cir- cuit from the plate circuit. All of m a ferred to as regenera- tion methods, since the energy in the first circuit is regenerated by the feed back action. APPARATUS * DEVICES By RALPH BROWN, RADIO ENGINEER A NEW KIND OF COIL INDUCTANCE, - The efficiency of the honeycomb and later the duo-lateral type has long been well known. A new coil development has made its appear- ance. These inductances come wound in the usual conventional sizes. The windings are made of cotton yarn, wound into the form of a lattice, and simultaneously the wire is wound into the coil in par- allel turns, The cotton yarn sep- arates the layers of wire with cot- ton and air cells. These air cells reduce the high frequency resist. ance greatly. This method of wind- ing gives maximum copper space and insulation space in a given volume. The {insulation between layers 1s greatest at the points of maximum potential difference. This results in giving this type of coll winding an extremely low self capacity, and this in turn is no- ticeable in the great selectivity and sharp tuning obtained. The high frequency resistance is by far much less than on any other type of coll. On the usual amateur an- tenna of low capacity these coils give remarkable results. They are equally effective on all waves. The workmanship is very neat, and they are reasonably voriced. . Will readers Interested In these radio articles kindly with the editor by mail? | VULCANITE SLATE SURFACED ROOFING Four-in-One Slab Shingle ... . ..$7.50 per sq. 'Hexagonal Slab Shingle . . . . . . . $8.00 per sq. Rolls, 32" wide .. :. . . $3.90 per sq. The highest type of "Beaver Quality Roofing and surfaced with natural colored Crushed Slate, Red or Green. SERVICE AT THE RICHT PRICE QUR MOITO n TS \ os n SEAT 33 TEL.1092 leat ks Allan ssl VICTORIA ST. KINGSTON.ONT Reeser" an N\ RRB rar om on on al] Big Variety of Geraniums | See our choice variety of Potted Geraniums and other Plants. Beautify your lawn and home with our plants, Window Boxes and Hanging Baskets made up to your order. Cut Flowers always on hand. P. C. LAWSON THE LEADING FLORIST STORE: Corner Wellington and Brock Streets. Phone CONSERVATORIES: 68 Centre Btreet. Phone 1174 s J. Su 1 We have received : a oar of Cannell Ebony Cube Cannell Coal of the Coal ein burning always in stock. SOWARDS COAL CO Let us have your order for your PHONE 150, season's requirements, which shall UPTOWN OFFICE: McGALL'S CIGAR STORE. PHONE 811. 770. have our prompt attention. BR After That Evening Motor Drive | Drop in at the ROYAL CAFE and enjoy one of our light lunches. You will find here at all times, courteous service, and you may enjoy pleasant surroundings, which are always cool during the summer months. ROYAL CAFE 157 Princess St. Hot Summer Evenings are most enjoyably spent whem out for a paddle on the water. CANOES and BOATS for hire. Quick and efficient service. A. C. KNAPP LA SALLE CAUSEWAY PHONE 767 4 ALBERT L.CLOUGH. Rusted Together Parts PHONE B26 ? mss aueen see [FROST?S MOTOR OAR REPAINTING The 8ame Superfine Lasting Finish The Best is the Cheapest--The Lustre Lasts a Is now located on Queen, Street, half way between Montreal and YOUR The Greasing Of Parts, When Put Together, Is A Preventative THE "RUST JOINT" is noted for its strength and this readiness of exposed fron and steel parts to "freeze together," when allowed to oxidize, 'often works to the motorists detriment. If brake-rod joints and brake toggles are not oiled, they soon begiti to rust and in time work so hard that no equalizing arrangement can prevent ome sided action and the total braking effect is much reduced. The outside brake band anchor- pin Is completely exposed to road splash and is seldom disturbed so that, when it has to be moved, for purposes of adjustment, it is often so rusted as to break rather than turn. It should be oiled occasionally just as if it were a moving part, so that it can be budged when otcasion requires, Tires will rust to rims so that it is a Herculean job to free them and for this reasom, the metal parts should be graphited. Graphite or graphite grease is the best rust preventer and all exposed rustable parts, which may require to be removed, should be put tegether well coated with one of these materials, the threads of all boMs such as those of spring-clips, shock absorber, fittings and indeed of all parts that are exposed to mud and water being thus treated. For separating rusted parts kereseme is good, but the very penetrative liquid, sold as "rust remover" or by various trade names, is much better. OVERHAULING MAKES ENGINE | the smoothest and tightest resuits WORSE as yet. -------- Bagot streets. Aug. 11]Sept. 8|Oct. ¢ . ' Bibby Block, Kingston . 31|Sept. t. Ex Aug. 31|Sept. 28(Oct. 27 in Halifax, N. 8, Sherbrooke Montyeal Sydney, N. 8, St. Johns, Nid. Tore ate Moncton, N.B. > REPAIR SHOP | STANDARD AUTO SERVICE PHONE 545. QUEEN STREET, (Behind Standard Office) WHEN YOU BUY BATTERIES INSIST ON MONARCH MADE IN KINGSTON C. K. M, asks: How can I pre- " 0 vent oft ffi leaking Ont aro. cd ASK TO HAVE A "MONARCH" INSTALLED IN YOUR NEW CAR. the right reaf wheel of my . BOOST INDUSTRIES. ' car? I have tried a heavy graphite HOME s : hauling, it heats badly and does | compound, but this does not stop not climb hills nearly as well as | he trouble. before, although the compression Answer: Re sure that you do seems good and fresh oll has been | not put too much lubricant in the supplied. What adjustments can I| housing. There is s:fMcient it nt will just flow out when the lower oll-plug in the gear housing is re- moved. There is an oll retaining ring, fitted around the bearing sleeve, just Inside the inner roller of the wheel, which car- ries a felt washer that wipes against the inside of the wheel flange. If this washer has lost its springiness so that jt does not Prompt and efficient repairs and service guaranteed for all makes of cars, Montreal te Liverpool July 29/Sept. 2|Sept. 30 Tyrrhenia Aug. 19{8ept. 23/Oct. 21 Sept. 16/Oct. 14|Nov. 11 Montreal to Plymouth, Cherbourg - ~ and London July 22|Aug. 26/Sept. 28 Aug. 5/Sept. 8)Oct. 12 Direet wire connections Ausonia 3 "For Safety's Sake Antonia Oo N.Y. to Queenstown and Liverpool *July 20/Aug. 31/Sept. 28 Aug. 3!Sept. 7|O0ct. § Aug. 17|Sept. 14|Oct. 12 * Sallg from Boston, July 21st. N. Y, Cherbourg & Southampton July 18/Aug. 15|8ept. § Mauretania Aug. 1JAug. 23/Sept. 12 Aquitania Aug. 8jAug. 29{Sept. 19 .....Berengaria N. Y., Ply, Cherbourg and Hambourg July 29/Aug. 3110ct. § ........ Caronia Aug. 3{Sept. 9|Oct. 14 ..,......Saxonla Boston -- Liverpool -- Queenstown Aug. 23/Sept. 20/Oct. 13 Samaria N. Yo, to Glasgew (via Moviile) July 15jAug. 25|Sept. 23 Algeria uly 22{Aug. 19(Sept. 16 Columbia City of London «+ .Cameronia BOSTON TO LONDONDERRY LIVERPOOL AND GLASGOW cassensasieres "Elysian *Cargo only to Glasgow. N. Y. te MEDITERRANEAN Oct. 26 (Cruise) ...... vas «Tuscania Nov. 25 (Cruise) ... B. W. writes: The engine of my car has been overhauled, the bearings have all been taken up and new wrist-pins and piston- rings installed, but after having been run 500 miles since the over- Absolute Evidence in Favor of Ground Cylinders All high srade automobile engines manufactured in this country as well as in Europe have their cylinder bores finish- ed by grinding. Some of the American cars thet might be mentioned are: oh a Hudson Kissel Apperson Brewster Cadillac Lincoln Locomobile " Franklin Marmon right shaft Haynes Mercer I free of lubricant, Detors Holmes ' Packard ; P leakage, as the In fact, 84'% of all the manufacturers of pleasure cars Sua ely. 18 Jollow an use engines wita ground cylinder bores, and 91% of the com- r Bereta] motors are ground, Heald Machines are used ex clusively. Automolile owners we have one of these Heald Cylinder Grinding Muchines, and can guarantee first class work. Ground Cylinders is a selling point with many ears. Automoti ve Grinders of general interest to the motorist will de answered Mr. b igndh A column, space permitting, Thon vnmetioe ones degired, enclose seifaddresged, stamped envelipe, The manufacture of glfzarm is one of the most important branches of the coal tar industry, words of five letters each was the rate on the first trans-Atlantic cable. One hundred dollars for ox dl t 2