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Year |
Event(s) |
| 1 | 1840 | - Englishmen, John Herschel invents the blueprint.
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| 2 | 1841 | - John Tyler president of the USA 1841-1845. John Tyler the first vice president to succeed to the presidency due to death of a president.
- Samuel Slocum patents the stapler.
- William H. Harrison president of the USA. William Henry Harrison succumbed to pneumonia 1841.
|
| 3 | 1842 | - Joseph Dart builds the first grain elevator.
- Paving the streets of Cleveland, Ohio commences by laying down planks on the roads.
|
| 4 | 1843 | - Alexander Bain of Scotland, invents the facsimile.
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| 5 | 1844 | - Englishmen, John Mercer invents mercerized cotton.
|
| 6 | 1845 | - American, Elias Howe invents a sewing machine.
- James Polk president of the USA 1845-1849.
- Robert William Thomson patents the first vulcanised rubber pneumatic tire.
|
| 7 | 1846 | - Dr. William Morton, a Massachusetts dentist, is the first to use anesthesia for tooth extraction.
|
| 8 | 1847 | - Hungarian, Ignaz Semmelweis invents antisceptics.
- Telegraph line installed between Pittsburgh and Cleveland.
|
| 9 | 1849 | - Street lights are installed in Cleveland.
- Walter Hunt invents the safety pin.
- Zachary Taylor president of the USA 1849-1850. Zachary Taylor died while in office.
|
| 10 | 1850 | - Joel Houghton was granted the first dishwasher patent.
- Millard Fillmore president of the USA 1850-1853. Millard Fillmore, vice president under Zachary Taylor, sworn in as president after Taylor's death.
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| 11 | 1851 | - Isaac Singer invents a sewing machine.
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