Topography from the air
By: L.J.R. Holst
Contributors: Franklin Institute (Philadelphia, Pa.)
Publisher: Franklin Institute
Published: 1928
Place of publication: Philadelphia?], Penn
Language: eng
Number of pages: 470
Subjects: Aerial photography; Topographic maps
Notes: Reprinted from: the Journal of the Franklin Institute, vol. 206, no. 4 (October 1928)