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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... Causes . Examinations in regard to the Validity and Infringement of Patents . Offices , Rejected Cases a Specialty . 901 Walnut St. , Dec .. '79 Lyr PHILADELPHIA . THE JOURNAL OF THE FRANKLIN INSTITUTE AA DEVOTED TO SCIENCE ESTABLISHED ...
... Causes . Examinations in regard to the Validity and Infringement of Patents . Offices , Rejected Cases a Specialty . 901 Walnut St. , Dec .. '79 Lyr PHILADELPHIA . THE JOURNAL OF THE FRANKLIN INSTITUTE AA DEVOTED TO SCIENCE ESTABLISHED ...
Page 4
... cause . ] But as one of the pulleys presents a resistance to being turned , and the other , impelled by some motor through its shaft , takes up and overcomes this resistance through the belt , the adhesion of the belt to the pulleys is ...
... cause . ] But as one of the pulleys presents a resistance to being turned , and the other , impelled by some motor through its shaft , takes up and overcomes this resistance through the belt , the adhesion of the belt to the pulleys is ...
Page 31
... caused being measured by the weight of air entering , its specific heat , and the difference of its temperature when ... causes a correspondingly greater quantity of hot gases to pass through the masonry flues in equal times , the per ...
... caused being measured by the weight of air entering , its specific heat , and the difference of its temperature when ... causes a correspondingly greater quantity of hot gases to pass through the masonry flues in equal times , the per ...
Page 34
... causes of cooling . To avoid projections only a small charge was treated in a large converter , which augmented the loss by radiation . The addition of the oxide of iron was also a notable element in lowering the tem- * See the JOURNAL ...
... causes of cooling . To avoid projections only a small charge was treated in a large converter , which augmented the loss by radiation . The addition of the oxide of iron was also a notable element in lowering the tem- * See the JOURNAL ...
Page 43
... caused more by accumulations than by corrosion . The bottoms are made ( en pisé ) with the débris of basic bricks , agglomerated with mineral pitch . They employ no tuyeres , but pierce holes in the mass , which are necessary for the ...
... caused more by accumulations than by corrosion . The bottoms are made ( en pisé ) with the débris of basic bricks , agglomerated with mineral pitch . They employ no tuyeres , but pierce holes in the mass , which are necessary for the ...
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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