ClipArt ETC
An anchor is an object, often made out of metal, that is used to attach a ship to the bottom of a body of water at a specific point.

Anchor

An anchor is an object, often made out of metal, that is used to attach a ship to the bottom of a body…

"Courtney's Automatic Buoy. A, cylinder, 27 ft. 6 in. long; B, mooring shackle; C, rudder; D, buoy; E, diaphragm; F, ball valves; G, air inlet tubes; H, air (compressed) outlet tube to whistle; I, compressed air inlet to buoy; K, manhole; L, steps; N, whistle." —The Encyclopedia Britannica, 1910

Automatic Buoy

"Courtney's Automatic Buoy. A, cylinder, 27 ft. 6 in. long; B, mooring shackle; C, rudder; D, buoy;…

"Mooring anchors are those which are places in harbours, for the convenience of vessels frequenting them. A large buoy is attached to the end of the mooring cable, and the ship is made fast to a ring-bolt fitted on the buoy. Mooring anchors are not limited by considerations of weight, as other anchors are, he only requirements being that they have sufficient holding power, and do not project above the ground, as any projection in the shallow waters in which they are usually placed would render ships liable to injury from grounding on them, and be dangerous to fishing-nets." — Encyclopedia Britanica, 1893

Buoy Mooring Block

"Mooring anchors are those which are places in harbours, for the convenience of vessels frequenting…

"Mooring anchors are those which are places in harbours, for the convenience of vessels frequenting them. A large buoy is attached to the end of the mooring cable, and the ship is made fast to a ring-bolt fitted on the buoy. Mooring anchors are not limited by considerations of weight, as other anchors are, he only requirements being that they have sufficient holding power, and do not project above the ground, as any projection in the shallow waters in which they are usually placed would render ships liable to injury from grounding on them, and be dangerous to fishing-nets." — Encyclopedia Britanica, 1893

Cast-iron Mooring Anchor

"Mooring anchors are those which are places in harbours, for the convenience of vessels frequenting…

"Mushroom anchors, first proposed for ships, are now only used for moorings." — Encyclopedia Britanica, 1893

Mushroom Anchor

"Mushroom anchors, first proposed for ships, are now only used for moorings." — Encyclopedia Britanica,…