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History
Back in
the seventeen and eighteen hundreds the finest Lawn Bowls were made from
a special timber named Lignum Vitae. Because of its denseness, fine
grain and self lubricating quality, Lignum Vitae was also in demand for
use as bearings for ship propellor shafts. For Lawn Bowls, select logs
were prepared so that four bowls could be cut from one continuous
section of a log, with the center of the log becoming the center of the
bowls.
The objective
was to create four identical bowls in size and shape with uniform
density and weight. Lathes were used to cut the spherical shape, and
then using hand tools and sand paper, skilled finishers gave each set of
four bowls a consistent bias. Some bowls are still made from Lignum
Vitae today, but the scarcity of the lumber and the costs involved
restrict their manufacture.
Today
Since the
early 1900's the same objectives have been better achieved by the
technically advanced methods of mixing and molding a special
thermosetting granular composition material including Phenlformaldahyde.
The mixture is injected into molds and submitted to controlled pressure
and heat during which time it is transformed - producing a hard "blank"
bowl. Matching blanks are then further shaped on computer controlled
lathes. Quality control during the whole process assures the
consistencies required by today's strict standards. Verification is made
by physically testing the performance of each matched set of bowls in a
simulation of actual use.
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