That is a very interesting article, especially since the last dated catalog is from 1954. The Boston Globe from February 3rd, 1957 had an article titled "A Boat for Every Budget Shown Here Now" on page A 17. It was probably related to the Boston Boat Show and said "The Sebago Boat Co. with nine new 'standard' models which are expected to be one of the outstanding values of the year. The Sebago Lake, Me." but you have to pay to read the rest. The Maine Registers from 1955 and 1959 list a Sebago Boat Co. in the town of Sebago Lake but I wonder if they ever built that 40,000 square foot building. A factory that size would have been one of the largest in the state for a maker of small boats. More questions,
Benson