For these seven shall rejoice, and shall see the plumb line in the hand of Zerubbabel.
A plumb line is a line perpendicular to the horizon, hanging (through the air).
It is as the builder's line to the foundation; and as the plumb line to the column.
The mirror is always at hand, and a paper protractor on a piece of board, with a plumb line attached, serves as a quadrant.
He found a magnetic ridge line running approximately parallel to the line of no deflection of the plumb line.
A plumb line that is a little too long to reach the floor will, if swung so as just to touch the floor, describe a circle.
Your rocket leads shot up, and the plumb line dropped one hundred feet.
Supports of dressed stone truly fixed with the plumb line are perfectly stable of themselves.
It will be just like 'Specs,' if it is a still night, to drop a plumb line and check himself.
Holding a plumb line at 350 miles per hour, she dropped upon the battle wagon below.