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 the ... Read more of Drawing Gear Wheels at How to Draw.caInformational Site Network Informational


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222. A Systematic Housewife

It is a handy plan for the business woman or
the housewife who has much domestic accounting to do to keep two
calendars, one to tear off day by day, the other to refer back to past
dates when necessary. The reference calendar which can be very small and
inconspicuous should have its special hook on the desk or table.

Next: 223. To Keep Candles in Warm Weather

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