Inside Out Library · Explore

Blue and red light: or, Light and its rays as medicine; showing that light is the original and sole source of life, as it is the source of all the physical and vital forces in nature; and that light is nature's own and only remedy for disease ... together with a chapter on light in the vegetable kingdom (1877)

Pancoast, S. (Seth), 1823-1889 · Philadelphia, J. M. Stoddart & co · leaf 116

An illustration from Blue and red light: or, Light and its rays as medicine; showing that light is the original and sole source of life, as it is the source of all the physical and vital forces in nature; and that light is nature's own and only remedy for disease ... together with a chapter on light in the vegetable kingdom, 1877, leaf 116
ted electricity from thesurrounding air; his observations covered a period offive years and included 15,170 quantities; of these, LIGHT JN ATMOSPHERIC ELECTRICITY, ETC. 105 14,515 are of positive and 655 of negative electricity.He took his observations at the even hours, Greenwichmean time,… … Midnight.Plate III.—Variations in Electricity of the Atmosphere. from which hour the increase is more rapid, so that at8 it is more than double what it is at 6 ; it then in-creases more slowly until 10, when it has attained its 106 BLUE AND RED LIGHT. first or morning maximum; it then diminishes…

Light, Colored · Phototherapy

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

More pictures from Blue and red light: or, Light and its rays as medicine; showing that light is the original and sole source of life, as it is the source of all the physical and vital forces in nature; and that light is nature's own and only remedy for disease ... together with a chapter on light in the vegetable kingdom

More like this