Graphical Construction Glossary >> Tools. >> Hand Tools >> Auto Level
The Builder's Automatic Level as it is correctly called is an instrument that is easy to set up as it only has a simple circular levelling bubble glass. As long as the level is set with the bubble centred in the glass, then the inner hanging prism will automatically compensate for further differences and give a true horizontal reading through a telescope device.
In the photo here two men are using an auto level while laying a concrete slab. The guy on the staff will receive hand signals form the foreman telling him to raise or lower the particular patch of concrete. The concreter will then screed between the patches to create a level slab.
Go to this page to learn how to check a level for true and to set it.
Above is a laser that emits pulses of light that show as vertical or horizontal lines on adjacent walls and floors.
One of the first trades to embrace the use of this type of laser technology were the guys that fix suspended ceiling inside large large building areas.
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"When we build, let us think that we build for ever."John Ruskin 1819-1900
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