49]
It is a little difficult to convey in words what is meant by "rounded"
manner. To aid in understanding our meaning, we refer to Figs. 48 and
49, which are transverse sections of _D_, Fig. 50, on the line _f_. The
edges of _D_, in Fig. 48, are simply rounded. There are no rules for
such rounding--only good judgment and an eye for what looks well. The
edges of _D_ as shown in Fig. 49 are more on the beveled order. In
smoothing and polishing such edges, an ordinary jeweler's steel burnish
can be used.
[Illustration: Fig. 50]
SMOOTHING AND POLISHING.
The idea in smoothing and polishing such edges is to get a fair gloss
without much attention to perfect form, inasmuch as it is the flat
surface _d_ on top which produces the impression of fine finish. If this
is flat and brilliant, the rounded edges, like _g c_ can really have
quite an inferior polish and still look well. For producing the flat
polish on the upper surface of the regulator bar _B_ and spring _D_, the
flat surface _d_, Figs.
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