1907 P. H. & F. M. Roots Billhead
P. H. & F. M. Roots made blacksmith forges and blowers.
See also, Thwaites Bros., Ltd. who were the English licensee of the Root's blower patents and manufactured them in England.
Information Sources
- The Library of Congress has digitized 35 photographs of the P. H. & F. M. Roots Co. factory complex and old images.