Plumb Bob

Made from a hexagonal steel rod, plumb bobs create a vertical line for you every time.
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If you're interested in doing some serious science, this Plumb Bob is a must-have.

Plumb bobs have been used since ancient Egyptian times to ensure that perfectly vertical lines are created. Made from hexagonal steel rod by carefully machine turning to a sharpened point, plumb bobs create a vertical line for you every time.

Age: 8+
What You Get
Plumb Bob by American Scientific. Model number 3460-00. Includes a hexagonal steel rod tapered to a sharpened point and a screwed end cap with a hole to receive a cord.

How Does it Work?
Plumb bobs are used to create a vertical line. By attaching the plumb bob to a cord and allowing it to hang, the perfectly symmetrical shape will show you where to drill a hole or attach a string from another point to ensure a vertical line.
  • Construction
  • Physics
  • Gravity
WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.
More Information
Length (cm) 10
Width (cm) 3
Height (cm) 3
Age Group 12+ Years
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