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.
Simple peep site with two apertures and ivory notepad on back of arm. Ivory pencil holder threaded into crossbar with nameplate. Three pivoting sun filters - green, red and gray. Brass index arm held in place with thumb screw. Initials: "SBR"...
United States. Army. Engineer Center and Fort Leonard Wood.
The Essayons, originally published as the Fort Leonard Wood Guidon in 1966 then as the Guidon from 1966 to 1987. Became Essayons in 1988 and remained that way until 1999 when it reverted back to Guidon. It has been and continues to be a record of...