Surveyor's Chalk Line

A drop-shaped handheld metal casing emits chalked string from the blunt end and has a crank handle for controlling its length.

Details

9AA300 - Measurement Tools

1 unit available to reserve

Instances

G2B20A - Demo West (Duane Physics)

Good - Normal Wear

Used in these demonstrations

Irregularly shaped wooden board suspended from a horizontal rod, with several red chalk lines drawn across it intersecting near the center; a yellow surveyor's chalk line hangs as a plumb bob

Center of Gravity Board

Experimentally locates the center of gravity of an irregular board by hanging it from different points and marking plumb lines. Students see that the CG must lie along every vertical …

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