Search results
Results from the WOW.Com Content Network
A typical "portable" dehumidifier can be moved about on built-in casters. A dehumidifier is an air conditioning device which reduces and maintains the level of humidity in the air. [1] This is done usually for health or thermal comfort reasons or to eliminate musty odor and to prevent the growth of mildew by extracting water from the air. It ...
The manufacturing operations of Hughes' Sharp-Hughes Tool Company at 2nd and Girard Streets in Houston, Texas. Hughes Sr. married Allene Stone Gano, on June 24, 1904, in Dallas County, Texas, and engaged in various mining business endeavors before capitalizing on the Spindletop oil discovery in Texas, as a result of which he began devoting his full time to the oil business.
1911: The cloud chamber, the first particle detector, is invented by Charles Thomson Rees Wilson. 1912: The first commercial slot cars or more accurately model electric racing cars operating under constant power were made by Lionel (USA) and appeared in their catalogues in 1912. 1912: The first use of articulated trams by Boston Elevated Railway.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
[132] to take azimuths, altitude, time and declination while making observations [failed verification] Also known as an altitude Instrument, the equatorial sextant was first invented and made by William Austin Burt. He patented it in November 1856, in the United States as U.S. patent #16,002. [133] 1857 Toilet paper (mass-produced and rolled)
The starting gate was invented by Clay Puett of Chillicothe, Texas, when it was used at Lansdowne Park in Vancouver, British Columbia, Canada for the first time on July 1, 1939. [291] U.S. patent #2,232,675 was filed by Puett on August 7, 1939, and issued to him on February 18, 1941.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
It was once the most high-efficiency room air conditioner made by Friedrich. [10] QuietMaster: Professional grade room air conditioners manufactured from the 1976 until 2010, when it was replaced by the S/M/L chassis Kühl models. They were manufactured in standard (3-speed analog), "Deluxe" (Deluxe was later called 4-Speed), "Programmable ...