Description
250mL borosilicate 3
Used to compare two unknown resistances by null-deflection on a sliding-wire jockey
letting electrophoresis setups switch between short and long separation runs on a single supply
and membrane systems for introductory cell biology teaching
Borosilicate Glass Barometer Tube with Bulb, 35" Item Type_Mug 250mL borosilicate 3Borosilicate 3. 3 glass barometer tube at 35 inches long with an integrated bulb, formed to measure atmospheric pressure through mercury or indicator fluid column rise.
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