THE SOCIETY OF TELEGRAPH ENGINEERS
Science · 1881
hundredths of a semitone were discovered.In concluding hut is saved, and if necessary the arrangement may be re-opinion of Olbers, and M: Faye's observation that the force a very elaborate paper, illustrated by man ;, tables, Mr. Ellis peated ad libit1tm.The discussion was carried over for the diminis� with the square of the distance, and that it is defined a good ear for music in its melodIc relations as one next meeting.proportional to the a�tive surfaces, is in accordance with the which within the distance 64 to 1,024 vib.appreciates an hypothesis.M. Zollner's theory of electric repulsion beerror of one or two hundredths of a semitone in Unisons, tween the sun and comets is based on the statical repulsion Octaves, and Fifths, and can tell its direction, and can ap• E L ECTRO -CHEMICAL DEPOSITS OF A LUMINIUM, of two electricities of the same name.But there is an evipreciate the errors of equal temperament for all other inter-MAGNESIUM, CADMIUM, BISMUTH, ANTIMONY, dent difficulty here, in the fact of the distance between two vals, except perhaps the major Seventh, for which the ear is AND PALLAD!UM.celestial bodies, like the sun and a comet, being too great for spoiled by the habit of taking the leading tone much too M A B polar action to be possible; the action of the two electricities sharp with the voice and on the violin.The discussion . .ERTRAND.should neutralise each other.which ensued turned chiefly on the power of absolute pitch THE author has obtained deposits of aluminium on decom The subject appears to have important new light cast upon (possessed by Dr. Stainer and Mr. Stephens in a high degree), posing with a strong battery a solution of the double chloride it from a series of researches by two Austrian observers, and the determination of the difference of the pitch of two of aluminium and ammonium.A plate of copper, forming MM.Reitlinger and Urbanitzky, described recently to the forks, very nearly alike, but with different character of tone. the negative pole, whitens gradually, and becomes covered Vienna Academy.If a finger or any conductor be brought Dr. Stone considered that the results given by the lecturer with a layer of aluminium, which takes a brilliant polish near the luminous column in a Geissler tube, an attraction is disproved absolute pitch in any mathematical sense.The under the burnisher.The double chloride of magnesium and observed, whieh has been explained by the known laws of difference of standard-pitch shown by the forks also dis-ammonium in an aqueous solution is readily decomposed by electrical influence.But these observers, experimenting proved that there was any such thing as an absolute C, for the battery, gIving in a few minutes strongly adherent and with a number of tubes, found some which gave a pro example.As respects the inability to hear a low note, Dr. homogeneous deposits of magnesium upon a sheet of copper.nounced repulsion instead of an attraction.These excep Stone imagined that a deep tone might be created in the ear It polishes readily.The battery must be powerful.Cad tional tubes contained, one bromine, the other perchloride as a kind of differential tone.Dr. Stainer explained that of mium is best deposited from the bromide to which a little of tin.Besides repulsion, the tubes showed a peculiar green course a wide margin must be given to the statement of ab-: sulphuric acid has been added.It is then very coherent and liSht on the side towards which the column was forced; a solute pitch.If a tone was called A, it was nearer A than, very white, and takes a fine polish.The sulphate, if acidu-kmd of !llectric phospho!es cence.anything else.Mr. Cummings stated that when out of lated, also gives an immediate deposit of metallic cadmium, Exammed sp .e�troscoplCally, both tubes gave like spect ;r a, health he heard out of tune, and hence sang out of tune.He ver y adhesive, and capable of a fine polish.Bismuth is d e-and the most VISI?le parts presented the three bands wh�ch mentioned the case of a person who heard a semitone higher pOSIted from a solution of the double chloride of bismuth and are genera,Ily !l-ttrlbuted to the spectrum?f .carb<!n, and WhICh on one side of his head than on the other, and also the case ammonium upon copper or brass by the current from a Bun-!1re met WIth m cometary .spectra.T�lIS IdentIty of sP!lctra of a child un?er �ight years old, who can tell what !1 0te is sen element It is very adhesive ' though mat, it is capable IS accounted for by SUppOSI ng that the lIght was not furnIShed �truck on a pIano .m the ne;xt room. .Mr .. Stephens .saId t�at of tak in g a fine polish, and may be introduced i n the decora-by the gases that had been introduced, which may have been It was �he pos.sessIOn. of tms power m hIm .as a c�Ild WhICh tion o f objects of art.Antimony can be deposited fro � a absorbed by the electrodes, or precipitated on the glass; but deter�med hIS mU�lCal career.Mr. Vernnder Illustrated sol ution of the double chloride of antimony and ammOnIum by a trace of some rarefied gas of another kind.th� dIfficulty of /Settmg i?rga�s tuned to a f?rk, by an orga�-I