The Science record; a compendium of scientific progress and discovery . scope, astronomers have foundthat the atmosphere of Uranus is almost entirely com-posed of hydrogen gas. M. Protier remarks that, if a verysmall proportion of oxygen also existed there, an electricspark would cause tremendous convulsions by combiningthe two gasesT 220 SCIENCE RECORD. ELECTRIC GAS-LIGHTER. By Dr. Klin-kerf ues.— Theprinciple of the de-vice is the heatingof a coil of fineplatinum wire, bya weak current ofelectricity, to a suf-ficient temperatureto ignite the invention iscomposed of aglass vase of sui
The Science record; a compendium of scientific progress and discovery . scope, astronomers have foundthat the atmosphere of Uranus is almost entirely com-posed of hydrogen gas. M. Protier remarks that, if a verysmall proportion of oxygen also existed there, an electricspark would cause tremendous convulsions by combiningthe two gasesT 220 SCIENCE RECORD. ELECTRIC GAS-LIGHTER. By Dr. Klin-kerf ues.— Theprinciple of the de-vice is the heatingof a coil of fineplatinum wire, bya weak current ofelectricity, to a suf-ficient temperatureto ignite the invention iscomposed of aglass vase of suit-able shape, closedby a cover screwedon, and packed soas to exclude theair by a rubberplate A. The twoelements B and Care zinc and gra-phite ; the formeris in the shape ofa tube, is piercedwith several holes,and is attached tothe cover. Thegraphite is in theform of a cylinder,and is securedas described fur-ther on. Uponthe cover arethe two elec-trodes, D and E,consisting ofrods of brass, atthe upperex t r e mi-t i e s ofwhich ares p r i ngclampswhichholdthe spiral. of platinum electroJe D isattached directlyto the cover, theother E carries thegraphite cylinder,and is isolated atits point of contactwith the cover bya rubber liquid con-tained in the vaseis composed ofthree parts chro-mate of potash,four of sulphuricacid, and eighteenof distilled use the appa-ratus, it is only ne-cessary to slightlyincline thevase sothat the liquid is with the current is estab-lished which heatsthe platinum bywhich the gas isOn returningdevice to itsvertical po-sition, the flu-id rests at thebottom andthe current isinterrupted. The sameinventor hasarrange da similarplan forthe auto-m a t i c1 i ghtingof jets,*the ap- ELECTRICITY, LIGHT, HEAT, SOUND. 22l parat :s being placed upon the burner. During the day,while the pressure of gas is low, or when the supply ispartially or wholly turned off, the liquid is not in contactwith the zinc and graphite ; but o
Size: 970px × 2576px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjecttechnology
