Drafting Instruments and Operations - A Textbook for Schools, and Artisans Classes; And for Self-Instruction #262331

In the former cases it may be a great convenience, and in the latter one almost a necessity, to be able to express one's designs by intelligible draw -ngs. The power, however, both to make and to understand these draw ings — that is, to write and to read the graphic language, must be acquired by an orderly study of Geometrical Drawing, beginning with the rudiments. Such study would, therefore, seem fitted to be everywhere, as now in some places, a useful element in common education.