«LUBBER'S LINE» 관련 영어 책
다음 도서 목록 항목에서
lubber's line 의 용법을 확인하세요.
lubber's line 에 관련된 책과 해당 책의 짧은 발췌문을 통해 영어 서적에서 단어가 사용되는 맥락을 제공합니다.
1
Dutton's Nautical Navigation
In addition, the transparent spherical dome of the compass acts as a powerful
magnifying glass, and greatly increases the apparent size of the compass card in
the area of the lubber's line. A "dished" card, slightly concave, together with ...
Benjamin Dutton, Thomas J. Cutler, 2004
2
Chapman Piloting & Seamanship
Figure 13-04 When a compass is designed for front viewing, the lubber's line is
on the side nearest the helmsman. The readings increase to the left, and a
person accustomed to a conventional card must take care to avoid confusion
when ...
3
The Annapolis Book of Seamanship: Fourth Edition
The edge of the board should exactly parallel the centerline of the compass (the
imaginary line running from the pivot post to the forward lubber's line). Turn the
board until the lubber's line is at north on the com- pass card. Slide a large book
or ...
4
The Annapolis Book of Seamanship: Third Edition: Completely ...
The edge of the board should exactly parallel the centerline of the compass (the
imaginary line running from the pivot post to the forward lubber's line).Turn the
board until the lubber's line is at north on the compass card. Slide a large book or
...
The body or shell of the marine compass, designed to be permanently fixed on
the boat, displays a vertical index mark called the lubber's line. With the compass
correctly installed in the boat, the lubber's line may be offset from the keel of the ...
In a marine compass a pivoted card rotates relative to a fixed index mark called a
"lubber's line." Since the lubber's line is fixed parallel to the keel of the boat, the
compass heading always tells you the boat's direction, no matter which way you ...
A LUBBER'S LINE: . denotes a marked change in depth. . denotes your course
relative to magnetic north. . can be erased. . is a dashed line. . is a clothesline
used as anchor rode. . A LUBBER'S LINE SHOULD: another week. A few
scheduling ...
8
Dictionary of Naval Terms
A lubber's line is marked on the fixed portion of the compass and aligned with the
vessel's head, and thus the heading of the ship can be ascertained by reading
the direction marked on the compass card that lies at the lubber's line. compass ...
Deborah W. Cutler, Thomas J. Cutler, 2005
9
Seamanship: Fundamentals for the Deck Officer
Lubber's Line Figure 4-23. Compass card showing lubber's line. bronze bowl
filled with a liquid. This liquid buoys up the card and magnet, tending to take
some of the load off the pivot, thereby reducing the friction and letting the card
turn more ...
David O. Dodge, Stephen E. Kyriss, 1981
10
Emergency Navigation, 2nd Edition: Improvised and ...
Check the Lubber's Line Next check the lubber's line alignment. The lubber's line
is the line defined by the pivot point of the compass card and the index pin that
you read your heading from. It should be parallel to the boat's centerline. If there ...
