New stencils and their use; a practical working method for the average painter and decorator... (1918)
Vanderwalker, F. N. (Fred Norman), 1885-1945 · Chicago; F. J. Drake & Co · leaf 44
NEW STENCILS AND THEIR USE 42 Assume that the picture you have is four inches high and that you need a stencil of it to be eight inches high. … Plate 16. — Pantagraph, Used in Enlarging or Reducing Stencil Designs ; Also the Square Method. To begin the enlarging, draw lines across the picture you have crosswise and up and down to completely cover it with little squares, say of one-quarter inch size. Now
Stencil work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.