Journal of the Franklin Institute, Volume 80; Volume 110Franklin Institute, 1880 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Results 6-10 of 35
Page 142
... wire to wind the bobbins he uses best charcoal annealed iron wire about in . in diameter , Four wires are wound on in parallel circuits , and the current is split up among them in " mul- tiple arc . " They are insulated from each other ...
... wire to wind the bobbins he uses best charcoal annealed iron wire about in . in diameter , Four wires are wound on in parallel circuits , and the current is split up among them in " mul- tiple arc . " They are insulated from each other ...
Page 164
... wire and to the power expended , will give maximums of light produced per horse - power much in excess of those established by the committee . But the direction of inquiry and the course of argument in considering the results can never ...
... wire and to the power expended , will give maximums of light produced per horse - power much in excess of those established by the committee . But the direction of inquiry and the course of argument in considering the results can never ...
Page 170
... wires attached to the other elec- trode . The electrical discharge was continued without interruption for one month , at the end of which time , by the aid of a microscope , octa- hedral crystals were plainly visible . * Comptes Rendus ...
... wires attached to the other elec- trode . The electrical discharge was continued without interruption for one month , at the end of which time , by the aid of a microscope , octa- hedral crystals were plainly visible . * Comptes Rendus ...
Page 171
... wires ; I produced a vacuum in the flask ; then , the distance between the wires and the carbon being from 5 to 6 centimetres , I caused to pass the current of an induction apparatus constructed by M. Ruhmkorff , and which has been ...
... wires ; I produced a vacuum in the flask ; then , the distance between the wires and the carbon being from 5 to 6 centimetres , I caused to pass the current of an induction apparatus constructed by M. Ruhmkorff , and which has been ...
Page 172
... wires was of a bluish- violet . We " This arrangement of apparatus was always adhered to . placed the bundle of ... wire ; I then plunged the two poles in water slightly acidulated . The experiment continued for more than two months ...
... wires was of a bluish- violet . We " This arrangement of apparatus was always adhered to . placed the bundle of ... wire ; I then plunged the two poles in water slightly acidulated . The experiment continued for more than two months ...
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acid Anthracite apparatus battery bobbin boiler bone oil carbon carbonic acid cent chamber coal gas combustion compression constructed containing cubic cylinder diameter dimensions drawing-roller dy dz dynamo-electric effect elastic elastic limit electric light employed experiments feet fibres Franklin Institute furnace gases gills give heating surface horizontal horse-power hour increase ingot iron jute length locomotive machine magnet manganese matter means mechanical ment metal metric metric system miles miles per hour millimetre minute motion nuts obtained ordinary oxide oxygen paraffine Patents Perkins Engine phosphorus pins piston placed plate pound of coal pounds per square practical pressure produced proportion quantity Rendus resistance revolutions per minute rollers screws selenium shaft shell side silica slag sliver speed square inch steam dome steam engine steel strain Sulphur temperature tion tons tubes valve vaporized velocity vertical vessel weight wheels wire