Specification of a patent for an improved mode of taking the figures of ingrain carpets from the cloth. Granted to William Sherwood, Somersworth, Strafford county, New Hampshire, April 20th, 1830
William Sherwood. "Specification of a patent for an improved mode of taking the figures of ingrain carpets from the cloth. Granted to William Sherwood, Somersworth, Strafford county, New Hampshire, April 20th, 1830." Journal of the Franklin Institute 10.1 (1830) 18-19