Bubble level. What is Spirit Level?

‎Bubble Level for iPhone on the App Store

A spirit level gets its name from the mineral spirit solution inside the levels.

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‎Bubble Level for iPhone on the App Store

Construction Early tubular spirit levels had very slightly curved glass vials with a constant inner diameter at each viewing point. They have a slight upward curve so that the bubble naturally rests in the center, the highest point. If the level is accurate, the bubble will be in the same position for both readings.

‎Bubble Level for iPhone on the App Store

The body of the level incorporates small hooks to allow it to attach and hang from the string line. If the bubble is centered, your level is accurate.

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‎Bubble Level for iPhone on the App Store

Adds are stung all over the screen pretty much all of the time. The level is placed on a flat and roughly level surface and the reading on the bubble tube is noted.

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‎Bubble Level for iPhone on the App Store

If the level is accurate, it will indicate the same orientation with respect to the horizontal plane. Does it measure an angle? If the bubble is to the left of the lines, your object slopes downward left-to-right.

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What is Spirit Level?

The vial bodies of a spirit level, also referred to as a bubble level, can be shaped like a barrel, like a rectangular block, or even curved, banana-shaped, to measure slope infractions per foot of pitch; and are mostly made from acrylic today versus glass originally.

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‎Bubble Level° on the App Store

Precise leveling is supposed to give the difference in elevation between two points one kilometer 0. Two notches or rings designate where the bubble should be if the surface is level. If not, it is defective.

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