The Arkansaw traveler., 1883-03-24
SCIENTIFIC.
Exchange.

oil for fabrication. at Sf.so per gallon; merchant vessels, heats foot oil and tall low.
 Typhoid fever in Paris seems to bear a pretty constant relation to the sanitary condition of the dwellings occupied by he afflicted.
 Several of the French colleries have successfully introduced eiectro-motors, and they sppear to be regarded with fa- vor by the miners.
 Honey. after it is clarified. Herr E. My hus has discovered, can be kept from fer men,ing or losing its flavor by adding to Il about one per cent. of form,c acid.
 Croa,ian bread, recommended for use m time of famine. Is prepared by making a mixture of corn, maize and beechwood flour. the latter being soaked in water.
 German carp in Georgia have done wonderfully we'll. In the vicinity of La Grange. there are carp three years old which are believed to weigh eight or ten pounds.
 NJ. Duet maintains that the forces of induction developed in bodies by the sun through its rotation vary, all other things being equal, in inverse ratio to the square of the distance.
 IL IS estimated that the annual iron production Of the world is Io 4S7 ,6Io tons. and of this Great Britain, the United States. Germany and France contribute So.4 per cent.-the first two G., per cent
 Some kinds of stains may be removed from silk by the application of essence of lemon, one part; spirits oftuipen,ine, five parts. Mix and apply to the spot by means of linen rag.
 The waste of the wild cocoons, gath cred in the woods of China, Japan and Australia. is made into felt one.half the size of hair felt, and is used for the manu- tae,ure of hats and for furnishing pur- poses.
 Copal varnish applied to the soles of shoes. and repeated as + dries until the pores are filled and the surface shines like polished mahogany. will make the soles waterproof ard last as long as the uppers.
 The body heat of birds is greater than tha, of any other class of animals, rang ing from loo to II, degrees Fahrenheit. Among the mammalia t is from c, to los degrees, varying in adult man from 9S to 100 degrees.
 Flour containing large portion of glu- ten makes a finer loaf than flour poor in this constituent. but oatmeal which con- tains more gluten than flour. will not make loaf al all, thus showing that the gluten of oats Is not identical with the gluten of wheat.
 The London Liss Stoek Journal says that sunflower oil is greatly used for adul- terating salad oil, and that the leaves of the plant are largely employed in the adul,eration of tobacco. The oil is sup posed to be unsurpassed as lubricant, and soap made from ii is unequalled for softening the skin.
 The vertical thickness of clouds does not generally exceed half mile. bu, cu- mulus clouds are sometimes formed of enormous magnitude and height. It has been computed that the tops of cunaulus clouds sometimes attain the height of four miles, while their bases are not more than half q mile above the earth's surface.
 In the river ard lake fisheries of the Middle states, 2.ool persons hnd employ iaen.. there being thirty sailing vessels and 900 boats. representing capital of N- "TS- fs. ttiS VI StSt DGSlhCSS 0.FOo persons md employment. and there are tce5 vessels, with 5-4i4 boats. the capi- ,al being se.ci5 500. and the total value of the oysters Sl.55, 900.
 l; has long been known that sulphur coois q hot bearing. bur the reason is doubtful. Non Heeren states that the fine metal dust formed when d journal runs hot. and which strongly acts upon both journals and bearing. forms sulphide with the sulphur. This compound, which grows soft and greasy, does not cause any appreciable amount of friction.
 A surgeon at the Maternity hospital, Paris, obsereing great mortality among infants who were somewhat feeble in their earlier hours, provided box for them similar to the sort used as incubators for poultry. The machine was so constructed as to maintain an even heat of 8, degrees Fahrenheit, and the infant kept in 1t from two days to six weeks comes out strong.
 An Italian has discovered that the matching of silk worm eggs may be has tened by friction. The process consists essentially in brushing the eggs vigor- ously for ten or twelve minutes with a moderately hard brush, made preferably of coarse grass. In less than fifteen days the eggs thus treated will hatch out, with product as healthy as that obtained in the usual way.
 Recently on rainy days the water in some parts of the city of Lille became un- ht for use. Mir. Geard, investigating, found the cause of the trouble 70 be the growth of mucidine of the genus Gre mofyyx, which, greedily absor ping iron, produces in the pipes masses ofochreous matter, the putrefac;ion of which disen- gages sulphuretted hydrogen in consider able abundance.
 The law that bodies evaporate the moisture they contain the faster the more surface they have will remain true in re- gard 10 earth, and 1t will follow that the finer the soil is pulverized, the faster il will become dry under given circum- stances but evaporation, to be rapid. re- quires dry air to receive the vapor. And sN . kA E-- l.