small evergreen tree of Caribbean and southern Central America to northern South America; a source of lignum vitae wood, hardest of commercial timbers, and a medicinal resin
A holywood lignum vitae can be seen in the southern portion of the Franklin Park Conservatory.
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The clock still operates and like his previous clocks has a wooden movement, made of oak and lignum vitae.
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Captain Bartholomew Gilbert of Plymouth visited the island in 1603, spending two weeks to cut twenty tons of lignum vitae wood.
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Developed from the anchor escapement, it was almost frictionless, requiring no lubrication because the pallets were made from the wood lignum vitae.
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In 1914 Brunswick replaced their line of wooden bowling balls, mostly made with lignum vitae, with hard rubber Mineralite bowling balls.
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Between 1725 and 1728 John and his brother James, also a skilled joiner, made at least three precision pendulum-clocks, again with oak and lignum vitae movements and longcase.
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Some of the John Harrison clocks still operate after hundreds of years because of the lignum vitae wood employed in their construction, whereas his metal clocks are seldom run due to potential wear.