Excerpt from Linear Drawing: Showing the Application of Practical Geometry
This work is intended firstly as a text-book for teachers in Schools of Art and Science, Training Colleges, National and other schools, and secondly as a manual for self-instruction for artisans and the public generally.
It is impossible to over estimate the importance of a knowledge of Geometry, forming as it does the basis of all the mechanical and decorative arts; and therefore the first volume of a Technical Series has been devoted to this subject, from which, as from one common highway, branches may diverge, adapted to the various industrial arts.
In order to fit the course of instruction, not only to the young, but to adults whose elementary education may be deficient, the author has deemed it best to assume, in the first instance, utter ignorance on the part of the pupils. Thus it will be seer, that in Problem I, no geometrical terms, such as "describe an arc," &c., are used, the learner being merely told to place the steel point of his compass on a given spot, whilst tracing part of a circle with the pencil leg.
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