The Elements of Chess by François Danican Philidor

Da Chessville http://www.chessville.com/downloads/ebooks.htm#American%20Chess%20Magazine%20Volume%20I

Wikipedia reports that "François-André Danican Philidor (September 7, 1726 - August 31, 1795) was a French chess player and composer. He was regarded as the best single chess player of his age (see any of the References), although the title of World Chess Champion was not yet in existence. Philidor's book Analyse du jeu des Échecs was considered a standard chess manual for at least a century. He is referred to here as André Danican Philidor, the name commonly used during his lifetime..."  This book, originally published in Boston in 1805, is now in the public domain.

Download this 6.2 MB zipped PDF file