2A10.10 - Sliding Wire

Sliding wire

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PIRA Classification: 2A10.10

Description: A light metal frame is rigid on three sides. The fourth side consists of a sliding fine wire. The wire is slid toward the opposite side and the frame is dipped in a soap solution. The frame is then placed on the overhead projector. The tension of the wire is adjusted until it moves freely.

Special Instructions: None

Condition: OK

Setup time: 1 minute

Safety Issues: None