The great inventions : their history, from the earliest period to the present. Their influence on civilization, accompanied by sketches of lives of the principal inventors; their labors, their hardships and their triumphs (1883)
Wilkie, Franc B. (Franc Bangs), 1832-1892 · Philadelphia and Chicago, J. A. Ruth & co. · leaf 366
k for the inventor at the WHAT KEMAINS TO BE DONE. 361 present moment, in the department of mechanicaldevices for use in agriculture. In the department ofchemistry, there is an ample field for discovery; and itis here, and not in mechanical appliances, that inventionshould apply itself for the next… … CHAPTER XXI. FIEE-AEMS AND OKDNANCE. IN the chapter on gunpowder, some allusions weremade to weapons of war, and modern improvementsin weapons of offence and defence; but there was nothingsaid which covers any considerable portion of the groundto which these agencies are entitled by their…
Inventions · Inventors
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