Graphics : a manual of drawing and writing, for the use of schools and families (1838)
Peale, Rembrandt, 1778-1860, author · Philadelphia : J. Whetham · leaf 85
79 MANUAL OF DRAWING. HRECTION OF QUANTITIES. … A delicate and important application of these rules is in reference to the direction or the parallel of quantities. In a circle the quantity is equal in all directions, but in an oval it runs in the direction of its length, and the imi¬ tation must be made in the same direction, as a and b , or the…
Drawing -- Study and teaching · Penmanship -- Study and teaching
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
