William Yerdon Can opener hose clamps Fort Plain Montgomery Co NY 1898 letter

Original 1898 letter from William Yerdon manufacturer of Yerdon's Improved Double hose Band, Yerdon's Perfected Can opener and manufacturer of tin pails and cans in Fort Plain NY. Letter is in regards to Yerdon's Improved Double Hose bands and how they have been on the market for 7 years.  Great graphics! It measures 8&1/2x10&3/4 and is in very good condition as shown. Will ship well protected via USPS.