A plummet line, a line with a plummet; a sounding line. Violent or dramatic fall. (figuratively) A decline; a fall; a drop quotations ▼
What is a plummet line used for?
A plumb bob, plumb bob level, or plummet, is a weight, usually with a pointed tip on the bottom, suspended from a string and used as a vertical reference line, or plumb-line. It is a precursor to the spirit level and used to establish a vertical datum.
Why is it called plumb?
A plumb line is a light line with a weight (plumb bob) at one end that, when suspended next to a workpiece, defines a vertical line. Plumb comes from the Latin plumbum, or “lead,” the material that replaced stone as…
What is meant by the plumb line?
Definition of plumb line
1 : a line (as of cord) that has at one end a weight (such as a plumb bob) and is used especially to determine verticality. 2 : a line directed to the center of gravity of the earth : a vertical line.
What is plumb line in surveying?
plumb line. [surveying] A line that corresponds to the direction of gravity at a point on the earth’s surface; the line along which an object will fall when dropped.
What is a Native American plummet?
Plummets, or weights, were used to sink a fishing net in the water to catch fish. Native men from southern New England often made the tools with which they worked, including their own hemp nets. For Native American groups living along river valleys and coastal areas, fish were a critical component of their diet.
Why is it called a plumb bob?
As technology advanced, wooden plumb-bobs were later replaced by heavier metal varieties. In later ages, plumb-bobs were cast from lead, and it is from this that the plumb-bob gets its name. “Plumbum” is Latin for lead.
What does Plum Crazy mean?
Thoroughly crazy; quite mad
Adjective. plumb crazy (comparative more plumb crazy, superlative most plumb crazy) (informal) Thoroughly crazy; quite mad.
Who uses plumb line?
Surveyors sometimes use plumb bobs for lining up points or transferring them. Excavation and foundation contractors rely upon the plumb line, and constructing a chimney the tool can indicate whether a flue is running true vertical or veering off plumb.
How do you check if a wall is plumb?
“Plumb” is what you call a perfectly vertical line. Vertical means up and down. Something that is “plumb” runs perpendicular to the horizon—meaning that when it intersects the horizon, it makes a right (90 degree) angle. You can measure if something is plumb by using a plumb bob or a spirit or laser level.
What is the biblical meaning of Cornerstone?
The cornerstone. The first stone set in the construction of a masonry foundation. As the first stone laid, it becomes the reference point for all other stones laid subsequent to it. Everything finds its definition in this one piece – the cornerstone. That’s how you know if it’s straight and true.
How do you draw a plumb line?
Measure from the corner of the wall the width of the paper minus 1/2 inch and mark with a pencil. Place a level at the mark and draw a straight, vertical line (plumb line). Create another plumb line every time you reach a corner or start a new wall.
Who is zerubbabel in the Bible?
Of Davidic origin, Zerubbabel is thought to have originally been a Babylonian Jew who returned to Jerusalem at the head of a band of Jewish exiles and became governor of Judaea under the Persians. Influenced by the prophets Haggai and Zechariah, he rebuilt the Temple.
What does BM mean in surveying?
Surveyor Abbreviations
| RANCHOS | |
|---|---|
| AGUA HEDIONDA | AGUA HED |
| BLK | BLOCK |
| BLVD | BOULEVARD |
| B M | BENCH MARK |
What is FS in surveying?
The Fundamentals of Surveying (FS) exam is generally your first step in the process to becoming a professional licensed surveyor (P.S.). It is designed for recent graduates and students who are close to finishing an undergraduate surveying degree from an ABET accredited program.
What is back sight in surveying?
Definition of backsight
1 surveying : a reading of the leveling rod in its unchanged position when the leveling instrument has been taken to a new position. 2 surveying : a sight directed backward to a previous station.
What are Nutting stones?
“Nutting stones” have long been presumed to have been used prehistorically for crushing nuts such as hickory, etc. as foodstuffs. In fact Davis (1995:334) described them as being: A small flat stone, usually made of limestone, sandstone or other sedimentary types of rock which could be carried by hand.
Where would you find a plummet?
The plummets from this site are found along the Macon Ridge (pronounced Mason Ridge), located along the lower Mississippi River Valley from Louisiana to Arkansas and Mississippi. Lipo and Hunt sought to discover the use for these objects, which are often seen as decorative charms.
What are plummets made of?
“Plummets—A group of prehistoric-like objects of stone, bone, shell, hematite ore, copper and other materials the origin and use of which have been much discussed.”———1912, Frederick Webb Hodge, “Handbook of American Indians North of Mexico,” part 2, p. 267.
What does a pink Plumbob mean?
For the first time in the history of The Sims: a pink Plumbob! ( means your Sim is on a work / social event) 8:01 PM · Aug 9, 2017·TweetDeck.
What is The Sims diamond called?
The Plumbob
This appears above the active Sim. The Plumbob (sometimes spelled differently — see below) is a green crystal used in most titles of The Sims series (including the MySims series) to identify the character selected and to which the player can give commands. It is also used to show the mood of playable Sims.
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