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] |
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1.–5. rezultāts no 49.
1. lappuse
... methods of measuring the load . upon a telegraphic cable when paying out , and it is believed that the method has been applied for a dynamometer in Germany for some time , but the attention of the writer was first brought to it by ...
... methods of measuring the load . upon a telegraphic cable when paying out , and it is believed that the method has been applied for a dynamometer in Germany for some time , but the attention of the writer was first brought to it by ...
33. lappuse
... methods gave reasonably accordant results , and showed that no more than 2 of the water in the boiler was so entrained . This quantity is not deducted from the vaporiza- tion given in the preceding table , because it was desired to have ...
... methods gave reasonably accordant results , and showed that no more than 2 of the water in the boiler was so entrained . This quantity is not deducted from the vaporiza- tion given in the preceding table , because it was desired to have ...
42. lappuse
... method of working , and overcome in part the cooling which accompanied the cold additions made at the commencement . It is not until later that they charge the pig metal . On account of the feeble amount of silicon which the iron ...
... method of working , and overcome in part the cooling which accompanied the cold additions made at the commencement . It is not until later that they charge the pig metal . On account of the feeble amount of silicon which the iron ...
45. lappuse
... method he used : Let L be the length of the involute of an arc of circle of radius . R , and degrees . If we imagine the circular are divided in a certain number , n , of equal parts , each part will evidently contain £ degrees ; n and ...
... method he used : Let L be the length of the involute of an arc of circle of radius . R , and degrees . If we imagine the circular are divided in a certain number , n , of equal parts , each part will evidently contain £ degrees ; n and ...
50. lappuse
... method are that it hastens the boil , reduces the labors , and produces a tough metal of uniform and high quality . After the iron has come to a boil the rabble is withdrawn and the working continued in the ordinary manner . I believe ...
... method are that it hastens the boil , reduces the labors , and produces a tough metal of uniform and high quality . After the iron has come to a boil the rabble is withdrawn and the working continued in the ordinary manner . I believe ...
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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