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Practical Geometry and Engineering Drawing
Excerpt from Practical Geometry and Engineering Drawing
Two drawing pens, one for fine and the other for thick lines. Great care is required in their use and treatment. They should be held steadily and at a constant angle to the paper. The ink must be introduced between the nibs by means of a small brush or the feather of a quill pen, and as soon as it begins to thicken the points should be wiped clean with blotting-paper previous to refilling. After use drawing pens should be carefully wiped with wash-leather.
Two pairs of compasses, one smaller for use as dividers only, in transferring lengths from scales, setting off distances, &c.; the other larger, with a movable limb which can be replaced at pleasure by an ink or pencil leg. These latter compasses should have needle points. In using dividers care must be taken not to make holes in the paper, a very slight indent being all that is necessary to mark a point.
Two small compasses, one having a fixed pencil and the other a fixed pen leg. These are required for drawing small pencil and ink circles. Both should have needle points and jointed limbs. In drawing circles the jointed limbs of the compasses should be bent so as to stand at right angles to the paper.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Two drawing pens, one for fine and the other for thick lines. Great care is required in their use and treatment. They should be held steadily and at a constant angle to the paper. The ink must be introduced between the nibs by means of a small brush or the feather of a quill pen, and as soon as it begins to thicken the points should be wiped clean with blotting-paper previous to refilling. After use drawing pens should be carefully wiped with wash-leather.
Two pairs of compasses, one smaller for use as dividers only, in transferring lengths from scales, setting off distances, &c.; the other larger, with a movable limb which can be replaced at pleasure by an ink or pencil leg. These latter compasses should have needle points. In using dividers care must be taken not to make holes in the paper, a very slight indent being all that is necessary to mark a point.
Two small compasses, one having a fixed pencil and the other a fixed pen leg. These are required for drawing small pencil and ink circles. Both should have needle points and jointed limbs. In drawing circles the jointed limbs of the compasses should be bent so as to stand at right angles to the paper.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
169 pages, Paperback
Published August 24, 2018
About the author
George Sydenham Clarke
53 books2 followersGeorge Sydenham Clarke, 1st Baron Sydenham of Combe GCSI GCIE GCMG GBE was a British colonial administrator and British Army officer.
After being Governor of Victoria (Australia), he was a member of the committee that issued the Esher Report. The biographer of the Committee's chairman describes Clarke as "...an insensitive, clumsy, uncouth and infinitely boring man..."[1] He was the first Secretary of the Committee of Imperial Defence.
After being Governor of Victoria (Australia), he was a member of the committee that issued the Esher Report. The biographer of the Committee's chairman describes Clarke as "...an insensitive, clumsy, uncouth and infinitely boring man..."[1] He was the first Secretary of the Committee of Imperial Defence.
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