oarlock - A device to attach oars to a rowboat, allowing the operator to row rather than paddle the boat.
observed position - A position or fix determined by observing landmarks or other objects to find the position.
oarlock - A pivoting device for oars; may be U-shaped or O-shaped.
off - The opposite to near (which see), as "Off the wind.
Paddles / oars / oarlocks: are they in there and the right size?
Bailing bucket
Wrist/disconnect attachment set ...
Oars are different than paddles because they have a provision to be secured to the rowboat for rowing, such as an oarlock.
or height of a column of water which will give a prescribed pressure on the vertical or horizontal sides of a compartment or tank in order to test its tightness or strength or both, THOLES The pins in the gunwale of a boat which are used for oarlocks.
Oarlock- a fitting (or fulcrum) on a boat that holds the oars in place while the boat is being rowed.
Oilskin- Garments treated with linseed or other oils for waterproofing. Also maybe used as a slag for foul weather gear ...
Usually there is one set of oarlocks for each thwart (seat). Sliding thwarts allow far more powerful rowing. A removable thwart can permit standing rowing. A sculling oar can substitute for several oars on a dinghy normally moved by other power.
A boat propelled manually by a rower (oarsman) using an oar, a long rod with a paddle or blade at one end. When the oarsman pulls the other end, the oar pivots at the boat's rail in a rowlock (oarlock), and the blade pulls through the water, ...
 See also: Boat, Hull, Sailing, Outboard, Line
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