The book Inventors At Work With Chapters On Discovery was written by author Iles, George, 1852-1942 Here you can read free online of Inventors At Work With Chapters On Discovery book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Inventors At Work With Chapters On Discovery a good or bad book?
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It was the opportunity thus afforded of taking a comprehensive survey of resemblances as a whole that led him to think out the underlying reason. Accident has played a noteworthy part in both discovery and invention. Nathaniel Hayward long ago remarked that sulphur deprives rubber of stickiness. Charles Good- year one day combined some rubber and sul- Accidental phur by way of experiment ; quite by accident he overturned part of the mixture upon a hot stove. He saw in a moment that heat is esse...ntial to make rubber insensible to both heat and cold : he had indeed discovered vulcanization. Exam- ples of this kind abound in the history of every art. As far afield as the war on insect pests in France a priceless discovery was hit upon unsought a few years ago. One autumn the vines were still suffering from phylloxera when a mildew caused by a fungus began to do serious damage to crops. Through the spray- 290 OBSERVATION ing of vines with blue-stone to prevent pilfering of fruit, it was noticed that the fungus was killed, leading to the most telling mode of attack on many of the pests which assail leaves, flowers and fruit.
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