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her'ringbone gear"

a helical gear having teeth that lie on the pitch cylinder in a V-shaped form so that one half of each tooth is on a right-handed helix and the other half on a left-handed helix. Also called double-helical gear.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

herringbone bondherringbone stitch


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