Source:Wood
From Pittsburgh Streets
Adam Wood. "Brewer's cooler." U. S. patent 18,220, Sept. 15, 1857. http://pdfpiw.uspto.gov/.piw?Docid=00018220, https://patents.google.com/patent/US18220A.
Adam Wood. "Brewer's cooler." U. S. patent 18,220, Sept. 15, 1857. http://pdfpiw.uspto.gov/.piw?Docid=00018220, https://patents.google.com/patent/US18220A.