The Influence of the Blue Ray of the Sunlight and of the Blue Colour of the Sky. In Developing Animal and Vegetable Life; In Arresting Disease, and in Restoring Health in Acute and Chronic Disorders to Human and Domestic Animals. As Illustrated by the Experiments of A. J. Pleasonton, and Others, Between the Years 1861 and 1876. Addressed to the Philadelphia Society for Promoting Agriculture

Second edition. Frontispiece showing "Sketch of Gen. A. J. Pleasonton's Grapery, in the 24th Ward of the City of Philadelphia, displaying the arrangement of the Blue and Transparent Glasses." 185pp. Printed entirely on blue paper, with matching blue endpapers. 1 vols. 8vo. Pleasonton served as a general during the American Civil War. This book is a curious piece of American pseudoscience, that though unsupported scientifically, was influential during its time leading to a trend in growing crops under blue panes of glass and is, in part, credited with the early development of contemporary chromotherapy. This second edition has a new, four-page preface by the author, written specially for this edition, published one year after the first edition. An uncommon title, rare in jacket. Blue cloth stamped in gilt. A fine copy in very good publisher's blue dust jacket printed in black, toned on the spine with a few scattered chips. A scarce, early printed dust jacket Frontispiece showing "Sketch of Gen. A. J. Pleasonton's Grapery, in the 24th Ward of the City of Philadelphia, displaying the arrangement of the Blue and Transparent Glasses." 185pp. Printed entirely on blue paper, with matching blue endpapers. 1 vols. 8vo.…