Notes on technical sketching and free hand lettering for engineering students (1912)
Smith, Alton Lincoln, 1867- [from old catalog] · Worcester, Mass., The author · leaf 65
gth.For an H Section—give depth of web X weight per foot X length.For an Angle give—length of leg X length of leg X thickness X length. Material for One: Truss NUMQERReguifiEO Mark De^cfiiption Lensth 4- T.C. 11 Si^f^ ^ l6-2£t 2 B.C. a 3i2i ;k Z9-8 2 Dl li2i^Z£>:k 3-3-± Z 02 ^ia^zx^- 7-Fit 4- Bl… … Fig. 21 63 For a Z Bar give—depth of web X length of leg X thickness X length. For a T Bar give—width of flange X depth of bar X weight per foot X length. See Fig. 10. 170. Gusset plates are often designated by their thickness only as are those of the Roof Truss,Fig. 21. Their size is usually given…
Mechanical drawing · Lettering
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