The "Gettysburg Edition" Measuring Scale for Handwriting (American Penmanship)
New York, NY: Department of Education - Russell Sage Foundation, 1917 [1926]. Folding Chart. Leonard Porter Ayres was an American educator, soldier, and statistician who organized the Division of Statistics for the military during WWI and held the rank of Brigadier General in the United States Army. ref. wiki. Handwriting..... More