Cassell's Practical Drawing Book |
Common terms and phrases
A B as radius ASTOR base Bisect the angles Block called central perpendicular centre line circle circumference circumscribing circle compass complete copy cross curve cut the arc cylinder describe a regular describe a semicircle describe an arc describe arcs cutting diameter distance Divide divisions Draw a line draw lines draw perpendiculars drawn edge Elevation ellipse Engine equal erect figure Find foci framing front given angle given line given point given side given.-Let A B height hexagon horizontal line inking leg Join length LENOX LIBRARY line.-Let A B meeting method middle number of equal parallel pencil perpendicular piece pipe pitch circle placed PLATE produced radius describe rest right angles rounded screw seen shown smaller square steam steel tangent teeth touching trapezium triangle Valve Wheel widths YORK