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Title: Differential Tuning Forks
PIRA: 3B 60.10

Demonstrates: Changing frequencies.
Description: Stops can be moved to change the pitch.

Instructions:

Items Used:

Notes: There are several of these. Math Description: None.

Size: 12" l x 10" h x 5" w. Condition: Good. Hazard: Hitting yourself with the hamm
Schematic: None. Tech Specs: None. Web Links:
History:

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