The Knapp roller boat and its inventor. With the history of the invention. Photographic copy of an artist's impression of the Knapp roller boat, representing it 'as it appeared in Toronto Bay, October 27th, 1897, on a preliminary trial,' with an inset portrait of its inventor F. A. Knapp and a letterpress description of the boat below.
Keywords:
Knapp roller boat, inventor, history, invention, Photographic copy, artist's impression, representing, appeared, Toronto Bay, October 27th, 1897, preliminary trial, inset portrait, inventor F, A, Knapp, letterpress description, boat, Canada, Canadian, North America
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