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A 1948 advertisement for a Weller soldering gun. Pistol-grip electrically-heated soldering tools had been used since the 1920s. In 1941 Carl E. Weller invented and later obtained U.S. patent 2,405,866 [1] for a transformer-based soldering tool which heated and cooled rapidly, [2] essentially as described in this article.
A ColdHeat soldering iron. ColdHeat was an American company founded to develop and market products using the proprietary graphite-like compound Athalite.The composite material is claimed by the manufacturer to have the unusual ability to conduct large amounts of heat and return to room temperature in a short amount of time.
The James R. Thompson Center (JRTC), under reconstruction as Google Center or Googleplex Chicago and originally the State of Illinois Center, is a postmodern-style building designed by architect Helmut Jahn, located at 100 W. Randolph Street in the Loop district of Chicago.
A soldering iron stand keeps the iron away from flammable materials, and often also comes with a cellulose sponge and flux pot for cleaning the tip. Some soldering irons for continuous and professional use come as part of a soldering station, which allows the exact temperature of the tip to be adjusted, kept constant, and sometimes displayed.
M-10A1, a variant of the 1970 United States MAC-10 submachine gun; M1921A1, M1928A1 and M1A1, three variants of the American Thompson submachine gun; M3A1, ...
1. Henry Repeating Arms. Going by the motto "Made in America, or Not Made at All," gun enthusiasts can rest assured that Henry Repeating Arms is deeply rooted in local tradition.
Glessner House, designated on October 14, 1970, as one of the first official Chicago Landmarks Night view of the top of The Chicago Board of Trade Building at 141 West Jackson, an address that has twice housed Chicago's tallest building Chicago Landmark is a designation by the Mayor and the City Council of Chicago for historic sites in Chicago, Illinois. Listed sites are selected after meeting ...
A porch pirate dubbed by community members in Boston as the "Tom Brady" of package thefts was arrested on Christmas Eve, authorities said. A police cadet with a sharp eye spotted Kerri Flynn, 34 ...