Description
Twenty-centimeter steel helical spring paired with 2kg
providing a stable burner on classroom benches while controlling flame type through a collar
Hand-cranked cam turning against both a straight follower and a lever follower
Visualizes the Venturi effect on an 18-inch backboard
including a digital multimeter and oscilloscope
Synchronized Digital Ripple Wave Generator, 0.5-200Hz Glassware Twenty-centimeter steel helical spring pairedSynchronizes strobe pulses to wave drive across 0. 5 200Hz via 4mm plugs, freezing ripple tank patterns into stable, visible images while controlling motion and amplitude electronically.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy





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