Plumb Bob Definition

A usually small heavy object that is used to make a string or rope hang straight. It consists of weight the plumb hanging at the end of a strong string.

What Is A Plumb Bob Used For Wonkee Donkee Tools

Plumb bob plumb plummet adj the metal bob of a plumb line.

Plumb bob definition. More than 2000 years ago the Mayans used plumb bobs and chalk lines. A plumb-bob or a plummet is a weight usually with a pointed tip on the bottom that is suspended from a string and used as a vertical reference line or plumb-line. The plumb bob is the oldest simplest and still one of the best tools for establishing plumb.

A plumb bob is basically a free hanging weight which is shaped to allow the center of gravity to align with the center of the weight. A bob of lead or other heavy material forming the weight of a plumb line. Building the weight usually of lead at the end of a plumb line.

The plumb bob or plumb line employs the law of gravity to establish what is plumb that is what is exactly vertical or true. By tying a string to the end of the weight it will hang vertical or plumb based upon the gravity pull of the earth. More than 2000 years ago the Mayans used plumb bobs and chalk lines.

A plumb-bob or a plummet is a weight usually with a pointed tip on the bottom that is suspended from a string and used as a vertical reference line or plumb-line. Bob lead plumb plummet plumb line plumb rule Example sentences from the Web for plumb bob When they get someone high profile like the governor Bob McDonnell or like Teresa they will abuse their. It is essentially the y-axis equivalent of a water level.

The instrument has been used since at least the time of ancient Egypt to ensure that constructions are plumb or vertical. Here three metal rods ran across a corner of the gallery each supporting a large pulley wheel and a piece of canvas strap to which were attached a plumb bob and a weight. A plumb-bob or a plummet is a weight usually with a pointed tip on the bottom that is suspended from a string and used as a vertical reference line or plumb-line.

Measuring devices Start by getting all your equipment together. Collins English Dictionary Complete and Unabridged 12th Edition 2014 HarperCollins Publishers 1991 1994 1998 2000 2003 2006 2007 2009 2011 2014. Here three metal rods ran across a corner of the gallery each supporting a large pulley wheel and a piece of canvas strap to which were attached a plumb bob and a weight.

English Language Learners Definition of plumb bob US. What Is a Plumb Bob. The heavy object that is part of a plumb line.

Wallpaper paste bucket and wide brush paper-hanging scissors and sponge pasting table plumb bob or spirit level steel ruler and pencil steps tape measure and a trimming knife. Princetons WordNet 000 0 votes Rate this definition. A bob of lead or other heavy material forming the weight of a plumb line.

The plumb weight is always shaped symmetrically so it hangs evenly and it often comes to a point to allow accurate reading and marking. Plumb bob - WordReference English dictionary questions discussion and forums. A plumb bob or plumb line is a small tapered pointed weight suspended from cord.

What does plumb mean. Definition of plumb bob written for English Language Learners from the Merriam-Webster Learners Dictionary with audio pronunciations usage examples and countnoncount noun labels. Plumb bob plural plumb bobs A metal weight attached to the end of a plumb line.

It is essentially the y-axis equivalent of a water level. Plumb verb exactly vertical the tower of Pisa is far out of plumb plumb verb.

Plumb Bob How To Use A Plumb Bob Bob Vila