Aeroplane Construction and Operation, by John Rathbun 62729 [Subtitle: Including Notes on Aeroplane Design and Aerodynamic Calculation, Materials, Etc.] [Link: http://www.gutenberg.org/6/2/7/2/62729 ] [Files: 62729-0.txt; 62729-h.htm 62729-rst.rst;] [All the file formats were generated at the time of posting from an RST master file.] Thanks to James Simmons Regards, Al