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F4-51: VACUUM PUMP MODEL 10 years 3 months ago #562

  • zzfixk23
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ID Code: F4-51
Purpose: Illustrate how a mechanical vacuum pump works.
Description: To operate, rotate knob on back of device. Ping pong balls, representing a fluid, are pumped through the device.
Availability: Available

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Last edit: by zzfixk21.
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