Episode of Series “Mechanical Drawing”.
This film presents the reasons why uniformity in dimensioning practices is essential, and explains that this uniformity depends on observance of certain standards in: 1. use of symbols; 2. choice of dimensions; 3. location of dimensions. The first step in learning this common language consists in extension lines, dimension lines, arrow heads, figures, notes, finish marks etc.
Pathescope Company of America
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Mathematics, Science & Technology → Mechanical drawing
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16mm film; Access Print (Section 1)