FM 21-26 BASIC FIELD MANUAL ADVANCED MAP AND AERIAL PHOTOGRAPH READING (This manual supersedes TM 2180-5, 5eptember 28, 1938.) SECTION I GENERAL • 1. PuRPOSE.-The purpose of this manual Is to provide a text on map and aerial photograph reading for training of military personnel aJready familiar with basic elements covered by FM 21-25 or who require more detailed instruc tion than is furnished by FM 21-25. • 2. ScoPE.-Sections I to VI, inclusive, Gover an exposi tion of factors and methods employed in map reading. Sec tions VII to XI, inclusive, provide an extension of these factors and methods into the related field of aerial photo graph reading. The large-scale aerial photograph, Within its characteristic limitations, is the logical complement of the small-scale map.
DesignationFM 21-26
EditionJan 1941
StatusSuperseded
Pages198
FunctionFieldcraft Survival
CollectionHistoric
Public domain (U.S. Government work)