"Riding-boom. A boat-boom or long spar working in a hinge or goose-neck, designed to be lowered from abreast the fore-rigging to a horizontal position at right angles with the keel of the vessel ... a, life-line; b, lift; c, riding-boom; d, rope ladder; e, outhaul; f, after-boom guy." -Whitney, 1911

Riding Boom

"Riding-boom. A boat-boom or long spar working in a hinge or goose-neck, designed to be lowered…

"Calc-spar occurs at a Scottish locality in acicular pyramidal crystals of which the length may be ten or more times as great as the width." —The Encyclopedia Britannica, 1903

Calc-spar

"Calc-spar occurs at a Scottish locality in acicular pyramidal crystals of which the length may be ten…

"Calc-spar occurs at a Scottish locality in acicular pyramidal crystals." —The Encyclopedia Britannica, 1903

Calc-spar

"Calc-spar occurs at a Scottish locality in acicular pyramidal crystals." —The Encyclopedia Britannica,…

"Calc-spar occurs at a Scottish locality in acicular pyramidal crystals." —The Encyclopedia Britannica, 1903

Calc-spar

"Calc-spar occurs at a Scottish locality in acicular pyramidal crystals." —The Encyclopedia Britannica,…

"Gaff. B, boom; CC, cheeks; G, gaff; M, mast; P, peak; T, throat or jaw. Nautical, a spar used to extend the upper edge of fore-and-aft sails which are not set on stays, as the mainsail of a sloop or spanker of a ship." -Whitney, 1911

Gaff Rig

"Gaff. B, boom; CC, cheeks; G, gaff; M, mast; P, peak; T, throat or jaw. Nautical, a spar used to extend…

"Garland lashed on a lower mast. A large rope strap or grommet lashed to a spar when hoisting it on board." -Whitney, 1911

Nautical Garland

"Garland lashed on a lower mast. A large rope strap or grommet lashed to a spar when hoisting it on…