Teachers' manual for the Prang course in drawing for graded schools, books 1-6 (1897)
Clark, John Spencer, Prang Company, Hicks Mary D, Perry, Walter Scott · Boston. Prang educ. co. · leaf 202
Drawing-book, page \i. … A C 6 7 « B Ask pupils now to lay their instruments back on their desks, and study the draw-ing which they have just made. Ask : 192 TEACHERS MANUAL. [book vi. What is the figure A i C ? A triangle. An equilateral triangle. What is a triangle? A figure having three sides. What is an equilateral…
Drawing -- Study and teaching
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