Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7216439 | Length measuring method and device Devices configured to measure a length of rope moving through the device are disclosed. The devices of the present invention employ a sheave mounted for rotating within a housing. A rotation measuring assembly may determine the number of rotations of the sheave, and... | 05/15/2007 |
| 4535949 | Length measuring during rolling up of thin material A device for measuring the rolled-up length of web forming a roll when a web break has occurred during formation of the roll employs a web break indicator to indicate a web break. Normal web length measuring is carried out by counting pulses from a pulse ... | 08/20/1985 |
