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Joseph Richard Winters (August 29, 1824 [1] – November 29, 1916) was an African-American abolitionist and inventor who, on May 7, 1878, received U.S. Patent number 203,517 for a wagon-mounted fire escape ladder. On April 8, 1879, he received U.S. Patent number 214,224 for an improvement on the ladder.
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Inventor Second black inventor to issue a patent; invented seed planter and cotton planter. [32] [33] Boahen, Kwabena: 1964– Bioengineer: Silicon retina able to process images in the same manner as a living retina [34] [35] Boone, Sarah: 1832–1905 Inventor Ironing board allowing sleeves of women's garments to be ironed more easily [36] [37 ...
Joseph John O'Connell (1861–1959), U.S. – number of inventions relating to telephony and electrical engineering Theophil Wilgodt Odhner (1845–1903), Sweden/Russia – the Odhner Arithmometer , a mechanical calculator
Fenton's pictures during the Crimean War were one of the first cases of war photography, with Valley of the Shadow of Death considered "the most eloquent metaphor of warfare" by The Oxford Companion to the Photograph. [13] [14] [s 3] Sergeant Dawson and his Daughter: 1855 Unknown; attributed to John Jabez Edwin Mayall [15] Unknown [e]
The court took into account that Glidden's invention had widely replaced older versions and was now commonly in use. [ 1 ] [ 2 ] The defense attempted to show that others had made the same design independently before Glidden, but the plaintiff was able to assert that indeed the other productions, which were of virtually similar design, were not ...
Robert C. Switzer (19 May 1914 – 20 August 1997) was an American inventor, businessman and environmentalist. Switzer was co-inventor of the first black light fluorescent paint along with his brother Joseph Switzer and the inventor of the Magnaglo process for nondestructive flaw-detection in machined parts.
Galileo before the Holy Office, a 19th century painting by Joseph-Nicolas Robert-Fleury, is a classic expression of the conflict thesis regarding the relationship between religion and science. Galileo is shown valiantly defending himself and his Copernican views before the hostile Inquisition , which will soon declare his science to be heresy .