Babbitt, Arthur B. (Arthur Bradford), b. 1873 · New York, H. Holt and company · leaf 138
lower right. SECTIONAL VIEWS 125 Group 4. Section lines; very light, black lines. Finer than any other line of the drawing. Group 5. Margin lines; heavy lines, with black ink.When these are made the same sizeas the object lines, they should be inkedwith Group 1. PLATE 12 Copy the two views shown in… … - 1- 1 «- / 1 1 |-i-| ~?--rir ? ^ - L.
Mechanical drawing
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
