lead spar

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• lead spar — ˈled noun : cerussite …   Useful english dictionary

• Spar (disambiguation) — A spar is a round pole of wood or metal, used on a sailing ship.Spar may also refer to:* Sparring, or practice fighting * Spar (aviation), the main structural member of the wing, running lengthways across the span of the wing * Spar (mineralogy) …   Wikipedia

• Spar (tree) — A spar tree is the tree used as the highest anchor point in a high lead cable logging setup. The spar tree was selected based on height, location and especially strength and lack of rot in order to withstand the weight and pressure required. Once …   Wikipedia

• spar tree — noun : a tall tree trimmed and well guyed and used for supporting the lead blocks for high line logging * * * spar tree, a tall tree used to support the cable for carrying other trees in high lead logging. * * * n. Forestry a tree or other tall… …   Useful english dictionary

• High Lead — logging is a method of cable logging using a spar (tree), yarder and loader. It was developed by Oscar Wirkkala.A popular method of logging on the West Coast of America.First used in 1904, with Lidgerwood winches, and a spar tree.External links… …   Wikipedia

• heavy spar — Permanent Per ma*nent, a. [L. permanens, entis, p. pr. of permanere to stay or remain to the end, to last; per + manere to remain: cf. F. permanent. See {Per }, and {Mansion}.] Continuing in the same state, or without any change that destroys… …   The Collaborative International Dictionary of English

• Needle spar — Needle Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh …   The Collaborative International Dictionary of English

• Pearl spar — Pearl Pearl, n. [OE. perle, F. perle, LL. perla, perula, probably fr. (assumed) L. pirulo, dim. of L. pirum a pear. See {Pear}, and cf. {Purl} to mantle.] 1. (Zo[ o]l.) A shelly concretion, usually rounded, and having a brilliant luster, with… …   The Collaborative International Dictionary of English

• high-lead — ˈ ̷ ̷|lēd noun : spar tree …   Useful english dictionary

• Cerussite — Cerussite, Les Frages Mine – France General Category Carbonate mineral Chemical formula …   Wikipedia

• Omar D. Henry — This article is about the boxer. For the former cricketer, see Omar Henry. Omar Henry Statistics Nickname(s) O.Henry Rated at Light middleweight …   Wikipedia