Show COL PATENTS they are dedicated to the public by the millionaire bew york nov 7 in a ledier published in the current sane 01 a scientific journal col john jacob ator of this city the following announcement all my patents on marine turbines having been granted pr anted I 1 hereby dedicate them to the public in the hope that the development of the ideal turbine may be hastened thereby col asters patent contemplates twin screws get tandem instead of side by and revolting in opposite directions no engines have yet been built to utilize the invention which ordinarily would have been protected for seventeen years |