Burk Brothers and Company - Credit: Wikimedia Commons
Burk Brothers and Company, also known as Diskmakers, was a historic factory complex located in the Northern Liberties neighborhood of Philadelphia, Pennsylvania. The complex consisted of 12 interconnected brick and reinforced concrete buildings, built between 1855 and 1913. The buildings were designed for the processing of kidskins into morocco or glazed kid leather. Note: This includes Read more on Wikipedia
Source: en.wikipedia.org