Committee on Geophysical Research and the Division of Geological Sciences at Harvard University. First Edition. 8vo, paged 129-133, illustrated; VG; red cover with black print, pencil notation to upper right corner, slight bumps to corners; clean interior; "Paper No. 31"; "Reprinted from Journal of Applied Physics, Vol. 8, No. 2, February, 1937."
Rockville Non-Retail Listings
Price: $25 save 25% $18.75