The names given to the various lines of a tooth on a gear-wheel are as follows: In Figure 233, A is the face and B the flank of a tooth, while C is the point, and D the root of the tooth; E is the height or depth, and F the breadth. P P is t... Read more of Drawing Gear Wheels at How to Draw.caInformational Site Network Informational
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Peganum Harmala








The seeds of which afford a red colour, has been investigated by the
French, but described as inferior to existing reds both in brilliancy
and stability.





Next: Persulphomolybdates

Previous: Paille De Mil



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