How to make inventions; or, Inventing as a science and an art . immediatelyplanned a lamp which was a device forcarrying out the idea. The device has beenmodified in different ways, but the ideastill remains the same. The mind com-bined them as soon as the right constitu-ent facts were presented. With Coster, thefinal fact came by accident. With Davy,the final facts came by systematic and logi-cal experiment. In most modern scientificinventions, as, for instance, the telephone,kintograph, incandescent electric lamp, air-brake, telegraph, mechanical telephone,steam, air and gas-engines, artific


How to make inventions; or, Inventing as a science and an art . immediatelyplanned a lamp which was a device forcarrying out the idea. The device has beenmodified in different ways, but the ideastill remains the same. The mind com-bined them as soon as the right constitu-ent facts were presented. With Coster, thefinal fact came by accident. With Davy,the final facts came by systematic and logi-cal experiment. In most modern scientificinventions, as, for instance, the telephone,kintograph, incandescent electric lamp, air-brake, telegraph, mechanical telephone,steam, air and gas-engines, artificial icemachine, bleaching, dyeing, thermostat,electric meter, telescope, microscope, pho-tography, &c., the facts employed were atthe time well known to the ideas forming the foundation of purely kineticmechanical inventions are also combined in a similar Lee was a professor at a college. He loved studymore than anything else. As time passed, he loved a maidenmore than his studies ; but upon being married, which was. ^ 134 against the rules of the college, he was left without employment,so that his wife was obliged to take up her former employmentof knitting stockings. After vain attempts in getting employ-ment, and after often watching the process of knitting, he recog-nized how slow the process, and wondered if it might bepossible to make a machine to do the work. One fact he hadto start with, was the movement of the fingers. He studied theexact motions given to the yarn. He became perfectly familiarwith the stitches, so that he soon knew how to knit by knowledge constituted one fact. He did not know any-thing about machinery, although he felt the importance of suchknowledge as indicated by his looking up books on the subject,and especially by his visiting machine shops and factories andconversing with mechanics. At last, the power of combiningfacts acted, because he had the two which were that by means of m


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Keywords: ., bookcentury1800, bookdecade1890, bookidhow, booksubjectinventions