Lot Essay
A full explanation and a copy of patent documents and drawings accompanies this lot.
AMERICAN PATENT MODELS
A MODEL OF A BRICK MACHINE, Patent No. 57689, Patentee Richard A. Douglas, Chicago, Illinois, Patented September 4, 1866, constructed of bronze and rosewood--7½ x 14½in.
Details
A MODEL OF A BRICK MACHINE, Patent No. 57689, Patentee Richard A. Douglas, Chicago, Illinois, Patented September 4, 1866, constructed of bronze and rosewood--7½ x 14½in.