Instruments like these were used by skilled draughtsmen (and women) in many drawing offices to produce engineering drawings for structures, such as bridges and building frames, at a time when computer ...

THIS useful little manual provides an excellent course of instruction in instrumental drawing, very suitable for the junior classes of technical institutes. The be ginner is first shown the use of the ...

THERE is great diversity of opinion as to the most suitable case of drawing instruments for students, many colleges having their own particular cpecifications; but it would be difficult to find a more ...