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 |
| 7528946 | System for detecting deflection of a boring tool A system for monitoring deflection of a downhole tool assembly. The system comprises a beam source directing a beam at a receptor positioned proximate the downhole tool assembly. The receptor detects the position of incidence of the beam at the receptor. A processor... | 05/05/2009 |
| 6781699 | Two-wavelength confocal interferometer for measuring multiple surfaces A scanning interferometer employs dual interferometer modules at different wavelengths to expand a dynamic range of measurement, a compound probe for measuring multiple surfaces, and a confocal optical system for distinguishing between the surfaces measured by the c... | 08/24/2004 |
| 6695774 | Apparatus and method for controlling endoscopic instruments A control and indicator apparatus for a variable direction-of-operation endoscopic instrument comprises a handle, a coinciding pointer, and a linking system connecting the handle to the endoscopic instrument. The handle affords the user intuitive and inte... | 02/24/2004 |
| 5475485 | Instrument for working the surfaces of parts inside engineered cavities An instrument is provided for working of surfaces of parts inside engineered cavities by means of a tool, with the possibility of simultaneous viewing of the site of the working operation. The instrument, also called a borescope, has a tool that can be pl... | 12/12/1995 |
| 5195392 | Internal pipe inspection system Internal pipe inspection apparatus and an in-line pipe head are disclosed. The inspection apparatus is insertable into either a four inch or six inch pipeline through a standard service size opening. The apparatus includes a compact pipe head having a vie... | 03/23/1993 |
