Description
For beam balance use and chemistry mass-measurement coursework
Steeply curved concave glass mirror at 50mm aperture and 75mm focal length
this low-current 2mA buzzer on a demonstration base sounds whenever current flows through the closed circuit
Funnel measures 16
10-Pack Chemical-Resistant Polypropylene Stoppers, 12/21 Pack Size_12 For beam balance use andPack of 10 chemical resistant polypropylene stoppers fits 12 21 joints for sealing ground joint vessels with chemical and impact resistance.
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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