Journal of the Franklin Institute, 80. sējums;110. sējumsFranklin 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] |
No grāmatas satura
1.–5. rezultāts no 25.
112. lappuse
... battery the machine moved with astonishing rapidity up a plane inclined about five degrees . " In this apparatus the current was supplied by a battery , a fact which , to- gether with the imperfect state of electric science at the time ...
... battery the machine moved with astonishing rapidity up a plane inclined about five degrees . " In this apparatus the current was supplied by a battery , a fact which , to- gether with the imperfect state of electric science at the time ...
134. lappuse
... battery strong enough to heat the foil to a bright red - heat . After a few minutes the oxygen was stopped and the bulbs weighed , when it was found that they had gained 1 mgrm . On repeating this operation no gain was found , the ...
... battery strong enough to heat the foil to a bright red - heat . After a few minutes the oxygen was stopped and the bulbs weighed , when it was found that they had gained 1 mgrm . On repeating this operation no gain was found , the ...
142. lappuse
... of Dr. Stone's large magnet is , with a battery of four or five Bunsen cells , increased four- fold . - Engineering . COMMUNICATIONS . U. S. NAVAL OBSERVATORY , Washington , D. 142 [ Jour . Frank . Inst . , An Intensified Etectro - Magnet .
... of Dr. Stone's large magnet is , with a battery of four or five Bunsen cells , increased four- fold . - Engineering . COMMUNICATIONS . U. S. NAVAL OBSERVATORY , Washington , D. 142 [ Jour . Frank . Inst . , An Intensified Etectro - Magnet .
170. lappuse
... battery of 496 elements , arranged in four parallel series . † In 1850 , by means of a battery of 600 Bunsen elements , connected with a second battery of 135 elements , he succeeded in partially fusing a piece of hard retort carbon ...
... battery of 496 elements , arranged in four parallel series . † In 1850 , by means of a battery of 600 Bunsen elements , connected with a second battery of 135 elements , he succeeded in partially fusing a piece of hard retort carbon ...
211. lappuse
... battery and the time of the closure of the current . This effect is evidently due to the dilation of the core in each case under the influence of the heat devel- oped by the current , for it is obtained with a core of copper . On ...
... battery and the time of the closure of the current . This effect is evidently due to the dilation of the core in each case under the influence of the heat devel- oped by the current , for it is obtained with a core of copper . On ...
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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