New Britain Herald Newspaper, December 16, 1927, Page 6

SCIENCE EXPLAINS ¢ WHAT GAUSES TIDE The “Pull” of the Moon Alfecting " Ocean Water Washington, D. C., D¢ 1s tide? Half the answer a bulletin D. C. headqur Geographic soc men find the otk comprehet ively ecasy i up a tide on the “The usual formation of side is that ju the water ne ay from solid part of the earth, so it draws the solid part of the earth aws trom the water farthest from the moon. But the average layman is likely to rehel at this explan since he does not carry in the implications of celestial me- chanics that go with it. he explanation begins with the fact that the moon does not simply revolve In an orbit around the sarth. Tt also throws the earth to revolvi in a little orbit. “When you playfully grasp a small child by the hands and swing it around in a circle you cannot stand erect and pivot on a single | heel. Instead yvou must lean back- ward and take tiny steps in a very amall circle in order to maintain your balance, The small circle which your feet follow out in the opposite direction to the larger | circle traced by the fiying feet of the whirling youngster. Earth “Backs Off"" “The situation with regard to the earth and moon is similar. The force which connects these two whirling globes Is just as real as though it depended on a huge steel shaft, several hundred miles in diameter, connecting them. \\'hnn‘ Men's Brown Everetts or Romeos %1” $2 49 $295 * Silver Tone Blue | the earth swings the moon around it, the earth must back off, so to | speak, in a little circle (or ellipse) of its own. “What happens is that both bodies r Ive around their ,com- mon ce of gravity Since the earth has a han l‘ at of e moon this common ¥ Is not in space be- two globe but lies in- rth, alon line con- th and moon centers. th vou had a freakish Il made up of a heavy ten- | fixed to one end of the con- shaft, and a small © fixed to the other. The ba point would lie inside the You could find it (or the | i), drive in a g the I Now, if you twisted ring the little ball would re. out the line of the string in 1 at the same time of the ball would same line in a | s earth and 1g point.’ or com- v is about 1,000 ice of the earth, 000 miles short of the ating nor revolving, N0 moon in the heavens, and | with no other forces acting on it | but its own gi . Its water sur- faces would tend to form parts of a perfect sphere, no bulges. Now ne the moon to be placed )0 miles away (its present erage distance) and also in some way to be fixed in space; no motion to cither earth or moon. Further, assume that moon and earth attract each other as they now do. ‘The waters of the earth would bulge up | on the side nearest the moon be- cause the moon would pull them to a certain extent away from the rocky part of the (fixed) earth. But there would be no bulge on the far | side of the earth. “Now imagine the earth and moon to start revolving around their | common centter of gravity once |every 27 1-3 days, as at present, but not rotating on their axes. Two | fixed bulges would now exist, the | one toward the moon would grow less than when the earth was mo- | tionless, but would still be held up hy the moon's pull. “But why would the bulge arise mas 61fts — for every member of the Family Arctics are a necessity nowadays and these popular 4-buckle ones are of true Kinney quality. Fine also for Christmas gifts. Women's Sizes— Misses’ Sizes— Child’s Sizes— 1ss 50 much greater | NEW BRITAIN DAILY HERALD, FRIDAY, DECEMBER 16, 1927. on the far side of the ecarth from the moon? Trying to Desert Moon “The earth and moon, revolving around their common center of gravity in approximately one month, striving to fly apart, and to strike out in space on straight paths that would carry them away | from other. They cannot part because gravitation er, but nonethe- | less they are constantly trying to | 1y o, Consider now only the earth's | tendency. ~ Continually the earth secks to fly off in a straight line | away from the moon, and continual- {1y the moon drags it back into tho little orbit that has been described. But the water on the side of the from the moon is 4,000 N el i v |18 the center of the carth; and it is free to flow as the solid earth is not. ! Therefore this remote water is pulled back with a weaker force than the chtly than solid earth away fro the moon. s this tide-producing on the side of the earth farthest from the moon can best he understood in terms of an automo- motion. If an automobile is traveling rapidly in a straight line 1z a street and suddenly turns a nts of the back seat will be thrown forcibly to the outter side of the car, away from the cen- ter of curvature. Packages will slide across the floor and pile up on the outer side of the car. Like Skidding Packages “Both the automobile and its con- | tents have the tendency to go on in a straight line. When the steer- ing wheel is turned, the car—it it does not skid—responds to a force changing its direction, but the packages and passcgers, being free to move about, respond to the changed direction less quickly, and ‘pile up’ on the outer side. It the car is driven rapidly in a small circle the movable objects and pas- sengers are given a continual urge toward the outer side. constantly in a small circle, so to rection is continually changing from a straight line to a circle. The waters of the occans are the most treely moving objects on this cir- cularly traveling earth. Conse- quently, those nearer the outer side of the curved path tend to pile up 214 to 8—$2.29 11 to 2—$1.98 814 to 1074—$1.89 Men’s Sizes— 6 to 11—$2.79 Boys' Sizes— 215 to 515—8$2.49 And Little Boys— Hilo, berry velvet collar, soft padded sole. ¥ soles, rubber _$1” 10 to 2—$2.29 $2.29 TEMPEST GAITERS Ladies’ and Misses’ All sizes, colors and Women’s ... $1.98 Misses’ ..... $1.89 i RBoys’ Tan High Cut Shoes, with Boy Scout Knife,— sizes 10 to 13154. And 1 to 515 room 2, G RN (0,2 50 267 MAIN ST. New Britain, Conn. “Now, the earth is being driven speak, by the moon. That is, its di- | to form the tide on the side of the | Women's Juliet-—hand turn soles, Women's Kid Boudoir Slip- pers—tawn lined, sille pom- heels pon, soft padded soles, colors in black, blue and red. Women's Felt Moccasin Bed- ribbon trimmed with silk puft ball on vamp. varlety to choose from in beautiful color combinations. earth away from the moon. Turns Under Tidal Forces ow, 3 nbering that our and moon a but not rofating, let us make one e e bring the situation into accord with actual facts. Start the earth to g on its axis once hours, le producing forces, toward ¥ from the moon, would nue to op s before, tend- to pull ‘the water into bulges. But these bul would no longer | remain at the same two places on the earth’s s e. The earth wonld turn under the forces. Thus iy point on the carth well away from the poles, would be subjected to a tide produ orce approxi- ma ery 1 iy, The period is slightly greatter than half a day, because of the moon's revolution und the earth. "Hot the tides actually operate, however, ho wtheir theoretical action is altered by the sun, by the shapes an dextents of ocean in the di and moon, WOULD DEFINE ICE CREAM London, Dec. 16. (A orts are made fo obtain a legal defini- tiop for ice cream as a frozen pro- duct contai ain amounts of mill fat and to license local vendors in order to increase ice cream sales in the United King- dom. Manufacturers blame present small consumption to low quality products served 1in hotels and restaurants, MY SPECIALTY Comfortable Vision Frank E. Goodwin Eyesight Specialist 327 MAIN ST. TEL, 1905 rubber heels. $ 1,3\! Slippers, padded soles; A large pers, padded sole cover hcels, in all col- Announcing- PRIZE WINNERS in Villiams Coffee Contest 1st Prize 2nd Prize 3rd Prize Why Coanecticut Grocers Stock Charter Oak Coffee There must be a real reason why 629 grocers in Hartford and surrounding cities have Wil- liams’ Charter Oak Coffee in stock—and there is! They rea- lize that the most important factor in supplying you with superior coffee is to get it to you FRESH. They know that Charter Oak Coffee is roasted daily in Hartford and that they can put it on your table with all its original flavor and aroma. There are two reasons in addi- tion to freshness that make Charter Oak the logical choice of Connecticut grocers. They are aware- that the Williams® and Carleton Company exercise the greatest skill in selecting and blending the green coffee— that the roasting and packing process is handled in the most modern method known. You will like Williams® Charter Oak Coffee. Its freshness adds an unmistakable quality to the flavor, Order a packhge from your grocer and compare it with any other coffee that you are familiar with. We are willing to leave the rest to you—Char- ter Oak Coffee makes its own friends once it is introduced. Tea and Cocoa Too When a trial has convinced you of the superiority of Cha.rter 0Qak Coffee, you will be glad to know that the Williams’ and Carleton Company can also sup- ply your table with Tea and Cocoa. Taste a cup of Williams’ Tea— note the exquisite flavor, the rich aroma, the clear, delightful color. Only carefully selected cocoa beans, freshly roasted and ground, are used for Williams’ Cocoa. The strictest standards of purity are maintained throughout the process of manufacture, And Other : Pure Food Products For over a century the Williams® and Carleton Company has been manufacturing pure food prod- ucts of the highest quality. Wil- liams’ Vanilla, although perhaps the best known, is only one of a full line of flavoring extracts. Then there are Williams’ spices, Williams’ sparkling Gelatine and Williams’ Root Beer Extract. It will pay you to get acquaint- ed with Williams’ pure food- products, Claude Lorraine Yates 18 Chapman Street Hartford, Conr: J. Callahan §9 Brow aell Avenue, Hartford, Conn. Mrs. F. G. Shaw Sin_cbury, Conn. S«mb;yws Oharles Bromelt paintod the Cherter Oak illustrated, on the conlainer cledium furest coffee. He had made several studies® before the tree fell Clugust 21,1856a10 1acd themwith o photograph, in paint tisg the famous canves, fourd i the Wedsworth, a!hcflwvm‘)u d\au the west and mafi{:m‘pra,)su-‘ side of thetrve, the hollow in profiles on the narth where Wadsworths mfiwdnmvll of Connecticuts authordy from the King. s ptfiohc seatimant of Hostfords citigens and Visitors not only tnaptedd m.lumuayaur proud £rm to name """M T Chd i Above drawing won first prize To Others who Competed We appreciate your interest and are sorry that everyone could not win. We kelieve, however, that you have found the contest worthwhile because it has given you the opportunity to know Williams’ Charter Oak Coffee. Finely blended, freshly roasted, carefully packed, Charter Oak Coffee offers a sure way to coffee satisfaction. Remember, too, that.every can brings you a val- uable coupon to help you earn many worthwhile premiums, If You Did Not Enter the Contest You missed a lot of fun but it’s not too late to get the biggest prize of all. Just go to your grocer and buy a pound of Charter Oak Coffee. Its full rich flavor and appetizing aroma will give you a new idea of GOOD coffee, The Williams & Carleton Co. 358 Connecticut Blvd., EAST HARTFORD, Conn. is Williams' Finest Coffee : CHARTER OAK (.)rdt;r _.it frt;m.yb;xr grocer