. Scientific American Volume 33 Numero 01 (luglio 1875). ceiving simultaneamente su onewire e la velocità in cuisono sono lavorato representedas è qualcosa di notevole. Mr.Gerrett Smith è stata engagedfor del tempo passato in makingthe necessari accordi ofcircuits, ecc. Per eseguire questa operazione,ed è un successo completo.La facilità e rapidità withwhich questi nuovi instrumentswork,e i vantaggi cuisono possiedono, verrà probabilmente tolead per un uso più esteso ofthem da Western UnionCompany. Senza dubbio essi puòessere atta a quadruplex op-erazione anche; e con quattro migliorata combinazione stampante

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. Scientific American Volume 33 Number 01 (July 1875). ceiving simultaneously on onewire, and the speed at whichthey are worked is representedas something remarkable. Mr.Gerrett Smith has been engagedfor some time past in makingthe necessary arrangements ofcircuits, etc., to accomplish this, and it is a complete success.The ease and rapidity withwhich these new instrumentswork, and the advantages whichthey possess, will be likely tolead to a more extensive use ofthem by the Western UnionCompany. No doubt they canbe adapted to quadruplex op-eration also; and with four improved combination printersworking on one wire, theamount of business which canbe transmitted will be likely toastonish not only outsiders, buta large proportion of even ex-perienced telegraphers. It would be another instanceof the changes which timebrings about, if the printers, with their old time recommenda-tion, prompt, accurate, and reliable, should once more be-come leading and favorite instruments for commercial tele-graphic purposes.—The Telegrapher. m m. TOMPKINS NAFFER AND BRUSHER. ing in advertisements as proofs of the care taken by the own-ers for the lives of their passengers. Those found upon theSchillers victims appear to have been of the latter sort, con-sisting, as they did, of a few slabs of cork fastened togetherand to the person by one or two pieces of tape, and were thusworse than useless to a good swimmer; for it is stated thatthose who recovered the bodies declare that in very many in-stances they were found with the head under water and theI heels in the air, showing that the belts had really drowned. To Prevent Wfaj^te Paln.t from Turning ITello-n. Dr. Luedersdorff, of Berlin, in discussing the cause ofwhite paint turning yellow wherever it is excluded from thelight, attributes this fault to an inseparable property of lin-seed oil, and believes that the only cure for it is to substitutesome other material for the oil. The value of drying oils formixing with pigments depends en

Parole chiave associate all'immagine

• bo
• bookcentury1800
• bookdecade1870
• booksubjectiron
• bookyear1875