Polypropylene vertical pipette stand. The top disc that can be fixed on the rod has holes for holding pipettes while the lower one has pilot holes where the pipette tips rest and liquids drain down to the base
Transparent Turbidity Tube, simple apparatus is used to determine the transparency of water in lakes, streams, oceans as well as other bodies of water, Contains: 60cm transparent turbidity tube, rubber stopper with Secchi disc, 20cm silicon tube, Hoffman's clip, steel
Spectrum Tubes - Sulphur, Length 26Cm, High-Quality Design For Greater Viewing Area, Effectively Demonstrate The Spectral Lines Of Pure Substances, For Use With Spectrum Tube Power Supply
Oversized digit, solar-powered calculator. Performs all arithmetic operations and features memory, percent, and floating decimal point. Jumbo digits and oversized keys make this calculator easy on the eyes and fingers. Supplied with carrying case.
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Easy View (new)
