On the cheapest form of light.
By: By S. P. Langley and F. W. Very.
Contributors: Very, Frank W. 1852-1927, joint author.
Series: Smithsonian miscellaneous collections,; v. 41, no. 4
Publisher: Smithsonian institution
Published: 1901
Place of publication: Washington city
Language: eng
Number of pages: 20
Subjects: Radiation.; Phosphorescence.; Fireflies.
Other titles: Light, On the cheapest form of.
Notes: Publication 1258.
From studies at the Allegheny observatory.
"Reprinted, with additional note, from the American journal of science, third series, vol. XL, no. 236, August, 1890."