Journal of the Franklin Institute, Volume 96; Volume 126Pergamon Press, 1888 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. Cf. Index to v. 1-120 of the Journal, p. [415] |
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alloys aluminium amount apparatus balance beam blast furnaces boiler bolts calorimeter carbon cast cent centre clock coal Committee Company condensing construction Coudersport cylinder diameter direction Drifton Dyberry dynamometer Eagles Mere electric engine experiments feet FRANKLIN INSTITUTE friction furnace G₁ G₂ Girardville give graphite heat heater hematites horse-power HOWSON inches invention iron jetty length loads magnetites maximal and minimal McConnellsburg means measure metal method minimal values minute motion NW NW obtained Office operation oxide Patent Pennsylvania Pennsylvania Railroad Philadelphia pig iron pipe piston placed plate position pounds practice present pressure produced Prof Quakertown Railroad resistance Revolutions per minute rolling Sabine Pass sanitary sanitary science shown signal sodium standard Station steam steel surface SW SW temperature tests tion United valve velocity weighing machine weight Wellsboro wire York
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Page 71 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Page 116 - Stand at the door of a church on a Sunday, and bid sixteen men to stop, tall ones and small ones, as they happen to pass out when the service is finished; then make them put their left feet one behind the other, and the length thus obtained shall be a right and lawful rood to measure and survey the land with, and the sixteenth part of it shall be a right and lawful foot.
Page 216 - The presence of water appearing thus to prevent any decomposition, I used potash in igneous fusion. By means of a stream of oxygene gas from a gasometer applied to the flame of a spirit lamp, which was thrown on a platina spoon containing potash, this alkali was kept for some minutes in a strong red heat, and in a state of perfect fluidity. The spoon was preserved in communication with the positive side of the battery of...
Page 217 - Fig. 17, which is made of iron or other suitable material capable of bearing a full red heat. In this figure, A is the vessel, which should be at least half an inch thick, and, if made of iron, previously to its being used should be coated over its exterior with clay or other substance to preserve it from...
Page 450 - ... first the blade, then the ear, and then the full corn in the ear?
Page 264 - THE JAMES SMITH WOOLEN MACHINERY COMPANY, Works, 411 to 421 Race St., Philadelphia, Pa. WOOLEN MACHINERY, Including Machinery for the Preparation of Wool. — — ALSO ^— CARD CLOTHING OF EVERY DESCRIPTION.
Page 102 - No sanitary improvement worth the name will be effective, whatever acts you pass, or whatever powers you confer upon public officers, unless you can create an intelligent interest in the matter among the people at large.
Page 108 - Pestilence, fevers, and weakness are, indeed, penalties for sin, but it is the sin of ignorance. In this age of scientific enlightenment, and invention, and wide-spread information, ignorance of the primary conditions of health and vigor is unpardonable. A knowledge of sanitary principles should be regarded as an essential part of every woman's education, and obedience to sanitary laws should be ranked, as it was in the Mosaic code, as a religious duty.
Page 94 - Railroad, it was actually found, with oil at thirty cents per barrel, that it cost nearly fifty per cent, more to take the same train of cars 100 miles by means of oil than by me'ans of coal. Another very potent reason why oil has not and cannot, as we look at it, be used generally for fuel, is found in the following : The total coal consumption of the Pennsylvania Railroad, including all its ramifications, is about 8,000 tons per day. If, now...