Welcome to the Woodward Governor Company unofficial History Site

[ stop the slideshow ]

Irl C. Martin's patent for a permanent magnetic generator (PMG).

1_884_043.jpg 1 884 043Thumbnails1st 1906 Oly label1 884 043Thumbnails1st 1906 Oly label1 884 043Thumbnails1st 1906 Oly label1 884 043Thumbnails1st 1906 Oly label