vulcanised
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1.vulcanised
2.中国 古今中外发明的东西 英文般
vulcanised
5.1.5灭火设备
消防喉及喷嘴。
消防软管应2 ? “停工的单位类型。消防栓软管连接应女性
2 ? “轮螺纹接头,以适应消防栓出水口。消防喉,应提供在三十米
长度为3 %的消防栓。软管应兴建中的高韧性聚酯纱
一高品位蒸汽vulcanised合成橡胶衬里,编造符合DIN 14811 & pren
1924-1 。
软管喷嘴应纳入喷射控制/切断阀。喷嘴应2 ? “进
和制造由铝合金与提示,在聚酰胺材料。
消防喉联轴器及裁员单位的软管,应按照符合BS 336和BS恩
671-2 ,提供的:
安格斯消防有限公司
thame园道
thame
牛津郡
ox9 3rt
联合王国
otive. Unfortunately, the machine was too heavy and broke the very rails it was traveling on.
1809 Humphry Davy invents the first electric light - the first arc lamp.
1810 German, Frederick Koenig invents an improved printing press.
Peter Durand invents the tin can.
1814 George Stephenson designs the first steam locomotive.
The first plastic surgery is performed in England.
German, Joseph von Fraunhofer invents the spectrocope for the chemical analysis of glowing objects.
Joseph Nicéphore Niépce was the first person to take a photograph. He took the picture by setting up a machine called the camera obscura in the window of his home in France. It took eight hours for the camera to take the picture.
1815 Humphry Davy invents the miner's lamp.
1819 Samuel Fahnestock patents a "soda fountain".
René La?nnec invents the stethoscope.
1823 Mackintosh (raincoat) invented by Charles Mackintosh of Scotland.
1824 Professor Michael Faraday invents the first toy balloon.
Englishmen, Joseph Aspdin patents Portland cement, the modern building material.
1825 William Sturgeon invented the electromagnet.
1827 John Walker invents the modern matches.
Charles Wheatstone invents the microphone.
1829 American, W.A. Burt invents a typewriter.
Frenchmen, Louis Braille invents braille printing.
William Austin Burt patents a typographer, a predecessor to the typewriter.
1830 Frenchmen, B. Thimonnier invents a sewing machine.
1831 American, Cyrus H. McCormick invents the first commercially successful reaper.
Michael Faraday invents a electric dynamo.
1832 Englishmen, Louis Braille invents the stereoscope.
1834 Henry Blair patents a corn planter, he is the second black person to receive a U.S. patent.
Jacob Perkins invents an early refrigerator (really an ether ice machine).
1835 Englishmen, Henry F. Talbot invents Calotype photography.
Solymon Merrick patents the wrench.
Englishmen, Francis Pettit Smith invents the propeller.
Charles Babbage invents a mechanical calculator.
1836 Francis Pettit Smith and John Ericcson co-invent the propellor.
Samuel Colt invented the first revolver.
1837 Samuel Morse invents the telegraph.
English schoolmaster, Rowland Hill invents the postage stamp.
1838 Samual Morse invents Morse Code.
I839 American, Thaddeus Fairbanks invents platform scales.
American, Charles Goodyear invents rubber vulcanization.
Frenchmen, Louis Daguerre and J.N. Niepce co-invent Daguerreotype photography.
Kirkpatrick Macmillan invents a bicycle.
Welshmen, Sir William Robert Grove conceives of the first hydrogen fuel cell.
1840 Englishmen, John Herschel invents the blueprint.
1841 Samuel Slocum patents the stapler.
1842 Joseph Dart builds the first grain elevator.
1843 Alexander Bain of Scotland, invents the facsimile.
1844 Englishmen, John Mercer invents mercerized cotton.
1845 American, Elias Howe invents a sewing machine.
Robert William Thomson patents the first vulcanised rubber pneumatic tire.
1846 Dr. William Morton, a Massachusetts dentist, is the first to use anesthesia for tooth extraction.
1847 Hungarian, Ignaz Semmelweis invents antisceptics.
1848 Waldo Hanchett patents the dental chair.
1849 Walter Hunt invents the safety pin.
1850 Joel Houghton was granted the first dishwasher patent in 1850. The machine was made of wood and required you to hand-turn a wheel that caused water to splash on the dishes. Houghton's machine barely worked. The first practical dishwasher was invented by a woman named Josephine Cochran in 1886. Dishwashers, however, did not begin appearing in homes until the 1950s.
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