Babbitt, Arthur B. (Arthur Bradford), b. 1873 · New York, H. Holt and company · leaf 132
is represented bydotted lines on the former and by full lines on thelatter. Also note that portions of the horizontallines representing the lower part of the upper flangeand the upper part of the lower flange have beenomitted on the sectional view. It is common prac-tice to omit the dotted lines,… … 1 1 11 1 1 ^^9- ^3
Mechanical drawing
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![An illustration from Die Physiologie der Farben [electronic resource] : für die Zwecke der Kunstgewerbe (1866)](https://img.insideoutlibrary.com/img/200/ia-b20425363-169-0.webp)
