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Report No.230, http://books.google.com/books?id=IVYiAQAAMAAJ&dq=marsden%20ware&pg=RA5-PA45#v=onepage&q=marsden%20ware&f=false

Report No. 250, entitled “Description of the N. A. C. A. Universal Test Engine and Some Test Results,” by Marsden Ware, National Advisory Committee for Aeronautics.—This report describes the 5-inch bore by 7-inch stroke single-cylinder test engine used at the Langley Memorial Aeronautical Laboratory of the National Advisory Committee for Aeronautics, in laboratory research on internal-combustion engine problems and presents some results of tests made therewith.

#40 http://books.google.com/books?id=IVYiAQAAMAAJ&dq=marsden%20ware&pg=RA1-PA55#v=onepage&q=marsden%20ware&f=false

Reference Data:

Annual Report of the National Advisory Committee on Aeronautics, by United States National Committee for Aeronautics, 1920, pages 45, 50 and 55