The Bridgeport evening farmer., 1909-05-17
NEWEsT NOTES OF SCIENCE

NEKEsr NOTES OF SCIENCE Rnere are less than 300 miles of rail- road in Al La
 Roller skates were invented by na- tive of Holland in 176s It takes so.ooo. GOO gallons of water a year to clean London's streets. The average yield of oil per ton of olipes is from 60 to 70 gallons Eight times as much energy is re- qujred to walk upstairs as on the lev el
 Paper is being made from grape vines by a group of French investiga- tors
 The newest telephone mouthpiece is a glass affair which may be cleansed by boiling.
 The study of the English language has been made compulsory in the pri- mAry schools of Guatemala Ewo-thirds of the people can neither read aor write in Roumania, the most Htfterate country in Europe
 A quart of milk is said to contain st3trfment equal to that of pound ets beefsteak or two pounds of bread
 Sn a recent test a gyroscope reduced the rolling of German steamship from 33 to less than three degrees. The imports of crude cocoa into the CRited States last year .totalled 97,- 419, roo pounds valued at $12, ,s99, S36. The manufacture of wire glass ori- ginated in St. Louis, which still has the largest factory for its production. Colombia is known to have at least 2z deposits of coal. but no scientific survey has ever been made of the Sixteen million dolalrs worth of con densed milk has been exported from the United States in the last ten years Hhe first aerial pleasure yacht, an a5fship of the Parseval type. has been okdered by several residents of Ser. A registering device to; keep account or tickets that are sold from rolls alAs been patented by two Pittsburg 1l1en-
 sThe Canadian Government expended $446, ,567.34 on it's telegraph lines Iast yHar and received from them only 2,432-53.
 A new electric lamp contains a man tie, which surrounds and is heated 10 According to veterinarians the curl .n a pigs tail is a, sign of health. When 1t begins to straighten the anl-s Al die press used in making Govern znent medals at the Philadelphia Mint is capabIe of pressure of HOO tons
 "A recently uncovered deposit of gypsum near Sydney, N. S., has been tested to depth of 30 feet, analysing nearly 99 per cent. pure
 creed that its stringent pure food law. wl1ich was enacted in December. 1905 shall go into effect July l.
 Various methods of applying pre- servatives to railroad ties and tele- graph poles have been in practical use
 One of the newest inventions for warfare is the French 'cyclanche, a bicycle provided with steel shields to protect the rider and tires. ETerv Japanese war vessel. from battleships to torpedo boats. has been equipped with system of wireless teleeraphy invented in that country.
 Bel2fum's system of narrow gauge raiIways, connecting the smaller towns and villages with the main centers Of population, are being electrified
 Plans for the permanent illumination Of Niagara Falls include the use of %, 30 inch searchlights and F, 60 inch ssotalling 25ooooo candle power < spend $200.0O0 in the establishment of Eatfonal weaving and embroidery eehooI in the interest of the silk in cutter which will divide pound of butter into 24 pieces of eQaul size at a single operation is a new inven- tion to tighten the labors of the house.
 The country's slate production last year amounted in value to $6,316,817, an increase over the previous year of $297 ,597. despite the business depres-
 Features of the British navy's new est submarines are diving wings on either side of the bow and a more extensive deck than usual for use In
 SeYen Of dozen samples of gluten feed recently analysed at the New York experiment station were found to be artificial1y colored with dyes dan- eerous to stock
 To enable a feminine wearer of a halr net to keep it in place three Londoners have invented and patented d net f1 which tiny hairpins Are wov- en into the borders.
 The importations of copra, the dried meat of the cocoanut, into the United States has steadily increased the pSs'
 An association interested in the ad. vzncsnae9t .ot the natiyeg, of India has countries for scientific and industrial education.
 Ireland is using a standard time 2 minutes slower than that of London ut movement is on foot to adopt the time of the Greenwich meridian for all Great Britain. An experimental lot of 300 900 concrete ties has proved so satisfactory to the ch1cials of the Italian railroads tha another lot of the same number ha. been ordered.
 To save woodworkers' fingers. a Chi cagoan has patented sandpaperins plane, in which the knife is replaced by a. wheel covered with sand paper o other abrasive material
 One of the lost official acts of the de posed Sultan of Turkey, Abdul Hamid was. to revoke an order made half century ago forbidding balloon ascen sions in the vicinity of Constantinople new cable to be laid between New York and New Foundland at a cost O about 100000 is expected to reduc, the transmission time of messages t, and from Europe from 30 to 35 De cent.