Scientific American Volume 47 Number 18 (October 1882) . ears, are not restrained, as theywould be, at Paris, by administrative regulations. Natural Gas for Pittsburg, Fa. The Philadelphia Press reports that a corporation hasleased a large gas well at Murrysville, eighteen miles fromPittsburg, with the intention of piping the natural gas tothat city for industrial and illuminating purposes. The A Medical Case for RallTvays. The Pennsylvania RailroadCompany has had prepared forcarriage on each locomotive ofthe company, a box of appliancesto be used in case of box contains: one r
Scientific American Volume 47 Number 18 (October 1882) . ears, are not restrained, as theywould be, at Paris, by administrative regulations. Natural Gas for Pittsburg, Fa. The Philadelphia Press reports that a corporation hasleased a large gas well at Murrysville, eighteen miles fromPittsburg, with the intention of piping the natural gas tothat city for industrial and illuminating purposes. The A Medical Case for RallTvays. The Pennsylvania RailroadCompany has had prepared forcarriage on each locomotive ofthe company, a box of appliancesto be used in case of box contains: one rubbercompress, one package of absor-bent cotton, six rolls of band-ages, and one pyramid of pins. A label on the box tellshow the outfit is to be used, and directs that it must alwaysbe kept up by immediate requisition for any article outfit is obviously intended mainly to meet necessitiesarising from accidents to trainmen in the ordinary course ofevents; yet it might prove very serviceable to injured pas-sengers in case of large Tiew metbod of Printing Pbotograpbs In Colors. The Hoeschotype is the invention of Herr F. C. Hoesch,of Nuremberg, who has spent the last three years in bring-ing his process to perfection. The method by which HerrHoesch works is at once simple and rapid. A photographis first taken of the picture. From the negative six gela-tine prints on glass are made, and a color plan having beenmade on one, on each of the other five a separate colorscheme is worked out corresponding to the particular tintdesired, all the portions not required beinj; painted colors used are the three primaries, a neutral gray, anda brown, and with these five tints any combination can beproduced. The gelatine is made insoluble with bichromateof potash, and can be printed from in an ordinarylithographic press. The advantage which HerrHoesch claims is that where a chromo lithographof an extended scale of tints may require from adozen to twenty prin
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpatente, bookyear1882
