United States Works Progress Administration (New York, N.Y.)
Tables of grid coordinates ... computed ... by the Project for the computation of mathematical tables ... The basic formulas upon which the tables have been developed are from Special publication no. 59, U.S. Coast & Geodetic Survey.--Pref.
Wheeler, Charles Brewster and Tschappat, William H.
While artillery experts are agreed as to the advantages of increased rapidity of fire for field guns, they appear not to have decided upon the most desirable form of field carriage, nor to what limits the increased rapidity of fire should be...