New Britain herald., 1930-01-24
QUESTIONS ANSWERED

| NS "
 You can get an answer 10 any question Of fact or information by writing 10 the Question Editor. New Britain Herald. Washington Bureau. 1922 New York avenue, Washington. D. C.. enclosing two cents in stamps for reply. Medical. legal and marita! advise cannot be given. nor car ex. tended research be undertaken. All other questions will receive per. sonal reply. Unsigned requests ca D. not he answered. All letters are confidential Editor.
 Q. How can zinc articles be cleaned?
 A. If small, they can be cleaned by being pickled in a mixture of hydrochloric acid and water. for about three minutes and washed and dried. Large articles are cleaned by being rubbed with q swab dipped in raw spirits, then washed with water and finished with whiting.
 Q. How were the earliest artif- cial teeth made?
 A. In carly times artificial sub stitutes were human teeth, teeth Of cattle and sheep, teeth carved from the tusks Of the elephant, and from the tooth of the hippopotamus. The first recorded substitute, other than animal substances. was paste made of white wax, gum elemi and the powder of white mastic, coral and pearl. It was originated by the Frenchman. Guillemeau, in ITO. Eighteen years later. Fauchard, also a Trenchman, is credited with the development of a porcelain, and a technique for making artificial teeth The porcelain teeth thus made in France were introduced into America in 1874, by Plantou.
 0. What percentage Of the rice and cane sugar grown in the United States is produced in Louisiana?
 X. Of the 900 bushels of rice grown in the United States in 1928, 1S,392,O0O were produced by Louisiana. Louisiana also pro- duced 70,799 short tons of cane sugar in 1927, against 7,O4S grown in the rest of the country.
 Q. To what extent are telephone systems developed in Norway, Den mark and Sweden? How do they compare with the United States?
 A. Denmark has about tele- phones per 100 population: Sweden about 7.75 and Norway a little more tlan six. The United States has 1e telephones per 100 population.
 Q. Does a body weigh more al the equator?
 A. Bodies weigh more at either pole than anywhere else on tho earth. This is due to two factors first, the earth is slightly nattenet at the poles. and the force of gravity is increased because a body at tha point is slightly nearer the center of the earth; second, at the equator the centrifugal force, due to tho earth's rotation on it's axis, is great est while at the poles it is zero A body weighing 190 pounds at th' pole would weigh 1S9 pounds a the equator.
 @. What causes the dense 10: over London. England" A. London fog is due principal, to the condensation of aqucou Napor upon particles of soot noatin; in the air
 Q. What does Daphne mean? | A. It is a Creek name meaning ''bay-tree."
 = Q. How old is Jimmy Walker 9 mayor of New York" = A. Ie was bon June l9. 1881.
 Q. How much will five dollar, e deposited for 40 years al six DC c cent interest compounded semi r annually, amount to:
 t A. s5143.
 = Q. How arc the first days C
 summer and winter computed?
 A. Summer begins with tn
 summer solstice, which Is the long
 est day Of the year: and winter be
 gins with the winter solstice. tn
 ''i4oi SSnt hdN. iio udltS are uSud
 y June q and December of, bl
 they vary slightly each year.
 Q. Who established the Day ,t medal for the most important di, F covery in chemistry?
 4. Sir Humphrey Davy. a note 2 chemist, provided in his will that
 silver service which had been give :: to him by the owners Of the Ne lt Castle coal mine, in 1877. should | II melted and sold after the decease h his brother and the proceeds h donated to the Royal Society.
 found medal to be given annual q for the most important discovery If chemistry. The silver produced [.
 pounds. and the interest on tn; If sum is expended on the Davy meda Il which was awarded for the fir B. time in 1877 to Bunsen and Kircl
 hoff for their discovery of spcctruI II analysis.
 e Q. How many counties are in tl ,- United States?
 y A.. The total number is 3,07o il Ie c'uding the GA pArishes of Lousian
 The total does not include 92 ind n pendent cities.
 ,r Q. How can peanuts be saltc n in the shell?
 \ boil them in salt water ar y allow them to dry: then roast thcr