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Plumb Bobs

Small Plumb Bobs for Physical Science and Physics
Small Plumb Bobs for Physical Science and Physics
With the Small Plumb Bobs for physical science and physics, accurately measure tilt angles for inclined planes or projectile launching devices.

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Accurately measure tilt angles for inclined planes or projectile-launching devices with these inexpensive plumb bobs. Simply tie the plumb bob to a string and secure the string to the angled apparatus. Then, measure the angle between the vertically hanging string and the instrument using a protractor. Available in two sizes: ½ oz and 1¾ oz. Sold in packages of 12.