Description
four 16-mm inner holes
Long-focal double-convex glass lens at 75mm diameter and 250mm focal length
the wide aperture and longer focal distance suiting whole-page reading and broader image-formation experiments
long-nose pliers
Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C
Forensic Drug Testing Simulated Immunoassay Kit for 15 Groups Build to Order four 16-mm inner holesSimulated immunoassay drug testing kit teaches forensic toxicology through antibody reactions, chemical analysis, and medical laboratory procedures.
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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