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Melamine was first synthesized by the German chemist Justus von Liebig in 1834. In early production, first calcium cyanamide was converted into dicyandiamide, which was heated above its melting temperature to produce melamine. Today most industrial manufacturers use urea in the following reaction to produce melamine:
The 150 foot tall chimney still stands on the Augusta Canal and is one of the more recognizable features of the Augusta skyline today, located at the Sibley Mill at 1717 Goodrich Street in Augusta. The Sibley cotton mill was built on the site as a private venture in 1880–82, using bricks from the demolished powder works, and became one of the ...
The Consolidated Mine was a gold mine in Lumpkin County, Georgia, United States, just east of Dahlonega. Like most of the area around Dahlonega, the placer mining on the land on which the mine is located probably started during the Georgia Gold Rush. By 1880, the placer deposits were exhausted and the land was down to hard rock.
The past can be quite fascinating.Those of us living in the present find it really interesting what life was like 50, 100, or even a 1,000 years ago. Luckily, we can go almost 200 years to the ...
This is a list of plantations and/or plantation houses in the U.S. state of Georgia that are National Historic Landmarks, listed on the National Register of Historic Places, listed on a heritage register, or are otherwise significant for their history, association with significant events or people, or their architecture and design. [1] [2] [3]
The ruins of Akers Mill. Akers Mill was located on Rottenwood Creek near Vinings.Located within the modern Cumberland/Galleria area, Akers Mill Road runs west from Powers Ferry Road at Interstate 285, immediately north of the Chattahoochee River, then turns south on Cumberland Boulevard, then departs west again after one "block", crossing Interstate 75 and then Cobb Parkway, and forming the ...
The mill struggled to survive the years immediately following the second rebuilding. The mills were sold at a public sale in 1873 and restructured as the Marietta Paper Manufacturing Company. In 1888 and 1889, a wood pulp mill and a twine factory were added to the site, respectively. Finally, in 1902, production at that location stopped.
The history of Westville is connected to Lt. Col. John Word West, a history professor at North Georgia College in Dahlonega.West was born in 1876 at a critical time of change in Georgia due to dramatic economic and social changes caused by the recent American Civil War (1861–65).