m ft Li- 1 01 Joi W 1 1 1 ,i I 1 t PfTRtrTTT la nnt m frirm of o- El ergy any mora than water I" a a vehicle of energy whin at a high level or In motion; no may electricity. Electricity cannot be manu factured, a heat can; It can only b moved front placa to place, tike water; and its energy must be lit the form of rotation or of strata write 8r Oliver I-odp", F. R. S.. In Harper's Magaslne. E'ectrlcity under Strain constitute "eft sir k-;' electricity In locomotion constitutes a current and m; netlnm; electricity n vibration constitutes light. What electricity Itself la we do not know, but It may perhaps be a form or as pect of matter. So have taught for thfry years the disciples of Clork-M ixwell. Now we can go one step further and say matter Is composed of electricity, and of nothing else a thesis which I wish to ex plain and partially justify. ' First we must ask what Is positive elec tricity, end the answer Is stKl we do not know. For myself I do not even guess beyond supposing It to be a mode of man ifestation, or a dlfferetluted portion, of the continuous and all-pervading either. It Seems to exist lit lumps the size of the atoms of matter; and no portion of It less In bulk than an atom has ever been iso lated, nor appears likely to be Isolated. But concerning negative electricity we know a great deal more. This exists In excessively minute particles, sometimes Called e'.ectrons and sometimes called cor puscles; these are thrown oft the relatively charged terminal In a vacum tube, and they fly with tremendous speed till they strike something. When they strike they Cm a propel as welt aa heat the target, and they can likewise make it emit a phosphor, scent glow, especially If It be made of glass or precious stones. If the target Is a massive metal nice platinum, the sudden Stoppage of tfre flying electrons which en counter It causes the production- of the. thereat poises known aa X-rays. Electrons are not very easy to stop, however; and a fair proportion of them can penetrate not only wood and paper, but sheets of Such, metals as aluminum and other mod erately tula obstacles. That la because they are extremely small muea smaller than the atom of matter. - Sack electro has a definite charge of Teetrtclty vis: the same charge as. Is con veyed, by each single a ton when a current la passed through a chemically conducting llijuld. Bvery electron has afaao a definite and uniform mass, which Is about 1 -830th Of that of an atom of hydrogen hitherto the lightest known form, of matter. From every kind of materia the game and no other kind of electron can be- ob tained, and we have reuson for inserting . that no other klud exists. Electric currents are always due to the loco notion of these 11 tlla. electric charges; they permeate and make their way through metals, being handed on from one atom, to the next, aa a fire bucket la passed from hand to hujod. This la mstalUa conduction. Liquid conduction is different; the elec trons travl with the- atoms In tkrutda, and hence travel slowly, being Jostled' by the crowd, and being laden with the heavy Atom which they conv-ey or propel, aa a posy (or a flee hi mass a pony, but la bulk i flea) might drag a henry wagon thrjugh crowded streets, an til at the ter minal station It Is BRharncasMd and alr Jowod to trot Into Its stable, which is what hfippen when the boundary between liquid and metallic conductor fa f cached. Elec trons become atlll nor emancipated, bow ever, hi rarefied gasas, wsJet act aa a cleared race eonraav or Hk a fre range for flight; and then It is possible to rind them flying at prodigious speed, even aa high aa 100,0(0 milea a second, and some Ubm faster still, but twver quite so fast aa light. Whenever an eteetvoa Is suddenly st&rtsd or stopped, or mado to turn a corner, it disturbs the ether through which It had been quietly moving and excites a ripple In it. These ethereal ripples constitute radiation, and the best known variety of them we call "light." With this we have . been fsraillar for a long time, because of our happening to possess eyes Instruments for the ready appreciation of ethereal rip ples. We used not " to know the reason, however, for the production of light. We know now that It la due to the sudden ehanga of motion, either m speed or di rection, of an electron; and probably to no other cause. The charge In on electron Is very small, but is extremely concentrated that Is to say, it exists only as a very minute nucleus; and in order to explain the manifestation of the observed mass of 1-SOOth, part of a hydrogen atom by so trifling a quantity of electricity it W necessary to suppose that It is concentrated into a space one-hundred-thonsandeth of the diameter of a material atom. This Is the sine which. Is at present accepted for an electron. It la quite the smallest thins; known. Matter, then appears to be composed of positive and negative electricity, and noth ing else. All Its newly discovered as woll as alt Its long-known properties ran thus be explained even the long-standing pusxle of -cohesion- shows signs of giving way. The only outstanding still Intractable phys ical property is "gravitation,- and no satis factory theory of the nature of gravitation has been so far forthcoming. I doubt, however. If It Is far away. It would seem to bo a slight bat quite uniform secondary or residual effect due to the immersion of a negative electron In a positive atmos phere. Harasles TTklrd-Itaul ftvsteae. Aa electric third-rail train system that w claimed to be safe and trustworthy has been Invented by a Chicago man. By means of hi device, la which the third rail is in verted, and practically hidden from view, the Inventor declares it Impossible for per sona or animals to come In contact with the charged rail. Its efficacy, he maintains. Is In no way affected by sleet, snow, rains, high winds, lightning or other weather con ditions which heretofore have delayed traf fic. In the new system the third or con tact rail la stretched alongside the track by means of an iron support shaped much like the letter C. and is insulated at every point, except where the "shoe" travels, by a covering said to ba practically indestruc tible. By a sectional system was meant one in which the electric power is con ducted to the car or cars in soctiona of any desired length and made operative by the moving truin. For example, if adopted on the elevated trains, they might be run with a headway of twenty seconds, and wher ever It might be employed no section of the line would be charged unless occupied by a train. The same power that Is used to pro pel the train 1 also employed to operate block signals and safety stops, aa at cros sings or Intersections of the road. Other advantages claimed for the system over the overhead trolley and the open third rail are economy In the cost of Installation, a caving la the cost of operation and main tenance, and also economy In power the latter being; assured by "positive Insulation and non-exposure to the elements. Abso lute safely, however, nnder any and an conditions, la the Inventor's strongest claim for the system. As to the speed possible to attain by ltx use. practical tests are said to have shown that ninety miles an hour may be reached without any difficulty. "By the under-running trolley contact,"' said the Inventor, "a pressors of but throa pounds upon the third rail la suflVirnt for ell opera ting requirements, while the too contact commonly employed neceasttates a minimum weight of ftiurteen puonda on the elevated roads In Chicago and sixty pounds on the Bob too elevated. This weight makes the floating shoe tend to es cape from the center of gravity aa the re sistance Increases, whereas by our system any tendency to escape from the center of gravity adds to the shoe's contact capacity or pressure. Our shoe, or collector. Is non magnetic, instead of being made of cast iron, and is connected with the cars by protected wires. It Is designed to wear to a very smooth surface, which eliminate the slid lug or grinding nolae usually heard." New Slaale i'tuta aTeor. A communication In the London FJec trlclan from L. Schuler, criticises a type of single-phase motor suggested recently by Rudolf GoldschmidU In. this the place of the commutator is taken by a collector with a small number of parts. An open coll winding Is adopted, the repulsion principle be lag made use of. The idea was that the circuit of every coll would be broken when there was no current flowing; but Mr. Bchnter contends that tbhr condition of operation is not practical He tried a motor of thm type some time ago and found that It worked sparklessty If rotated slowly, but sparked badly when approach ing full speed. The reason for this is that the coils on the rotor are cutting the mag netic lines, due to their motion, and there la no sparklesa position for the brashes. JL further objection to this type Is that the use of a smaller number of rotor colls pre vents the motor from developing Its fuft starting torque In aR positions of the rotor. A more uniform starting torque can only be obtained by Increasing the number of rotor colls and commutator segments. Pwaat'sr the jfwmmtrnm ltatlway. The frnMHis Jungfran railway la being rapidly pmFheI forward, and the great tunnel up through the heart of the moun tain has now reached aa attitude of over 10,000 feet. When l.OC feet more have been pierced through the rock the- Mer de Glace will be reached, Where a fine station, ob servation gallery and buffet are to be cut out of the solid rock. The view from the Mcr de Glace station will be the most mag nificent In the whole of the Swiss Alps, for the Jungfrau Sea of Ice la the starting point of mnny 'of the most famous giant glaciers of Europe. Wireless War Kites. In the presence of the German kaiser some Interesting experiments took place In the Baltic the other day with a newly dis covered method of wireless telegraphy by means of kites, writes a Hamburg corre spondent The inventor Is a German- American professor, at present residing at Havre, who has for a long time past been In communication with the German naval authorities, and has now displayed the new invention to the emperor personally. Nat urally the stricest secrecy is observed re garding; the whole matter, and every sailor to whom the new apparatus was shown . was compelled to take an oath not to speak of the device. At the operations, which were carried out about a mile from shore, seven kites were flown on copper wires to a height of from 10JQ0 to feet. The experiments were partly made from the kaiser's dispatch boat Blcipner. travelling at the rate of thirty sea miles aa hour, and several languages were employed. It to possible to emptor the system over the greatest distances without affecting any . other wireless telegraphy station. The form of the kites ased is that of two cubes side by ski. The patent will ba acquired by tha Ccrmau nary. - Klertrteal BeerfMac-ka. The Ximmermsa automatic shiner, aa electrically driven machine for polishing; boots and shoes, is ousting the human shoeblack perhaps. The apparatus oa elota chiefly of a railad circular platform, which makes one complete revolution every two minutea On the platform axe placed six seats. In one round the platform makes six stops of twenty second each. It la during these Intervals, when the plat form la at rest opposite the brueh batter ies fixed on the outer immovable rail, that the polishing la performed. The client steps onto the platform and seats himself on one of the six chairs. By aslng Ameri can hustle tt is possible to be fairly set tled by the time tha platform has moved to station L There, during the first pans to the revotaUon, the first set of brashes descends on the now stationary shoes and removes all mud from the leather; station S applies a cleansing mixture; No. I rub it off. At No. 4 the polish Is put on, and at No. 5 the final polish Is given. .U the end of the sixth interval of twenty i:sconds the platform has brought the custodier to the 1umt)lng-off station, with his shes clas hing to the eyes of the beholder. Eighteen hundred pairs of shoes per day of ten hours each Is the record of this new ma chine, and to accomplish this the atten tion of two boys is all that la necessary. They look after the clients and control th two-horse-power electric motor. The ma chine does the rest. Lion Tamer's Escape By turning on a sulphurlo acid gas fire extinguisher in the face of a furious ltoa that had seized its tamer, John Forster, by the arm at the Sea Beach Palace soo, Fire man Ell Sanderson saved Forster's life. Forster was administering a calomel pill to the lion Romeo. Romeo was cross, and Forster pried the great Iron Jaws open with a powerful gag. Then he ran his arm down the roaring throat and placed the pill at the base of the tongue. The gag gave way Just at the crucial mo ' ment and Romeo's teeth closed with a snap in the flesh of Forster's arm. Warm Mood spurted out into the lion's month, render ing him savage. Forster,' fainting with pam and terror, kept up cries for help until Private Fire man Sanderson, nnder the Impression that a fire had broken out, came running with a Are extinguisher. He set op the extin guisher on the edge of the cage and turned the stream full on the lion's nose. Tha fumes of the nanseous gaw nlled Ms nos trils and blinded his eyes. He dropped tha arm of the fainting keeper and slunk away into a corner of the cage, pawtng at his nose and rotting his head on the floor. San derson entered the cage and carried out Forster, almost dead from loss of blood. On of the lion's Incisors severed an artery, but except for a bad laceration, of the arm the man was otherwise unhurt. A physic ian dressed the wounds and it is not thought that any serious results will fol low. New York Herald. Apologetic Burglar Tall and of slight build, a young man giving the name of Christopher Gergory, pleaded guilty at Clar ken well sessions to burglary. He left a note In the house which he entered. It ran: "I took an oath that the first day I was without food I would get Into the hands of the police, and this is the first time I have been in want of food and shelter. I dare not sleep in the open air, for my health Is not of the best. I am sorry for the damage done to the shutters, also to the tree In tha garden. Assuring you of my regret for damaging your house, but tt had to be, and you will be doing me a service if you prosecute. 1 am, sir, yours respectfully. "O. GREGORY." "Gregory" resolutely refused to state who he really is, but uihm Mr. McCoonell promising that nothing should be made public, he In court supplied norm particu lars privately. He was then handed over to the mission ary, who hits found work for hlia. Londos Mail.