Description

General purpose googles with side ventilators

and torsional balance

Brass eight-piece slotted mass set totaling 1100 grams from 10 to 500 gram pieces

Used to introduce digital communications

sized so the heavier D cell stays seated when student-built circuits are picked up

Simple Respirometer for Biology Experiments Subcategory_Thistle Funnels General purpose googles with sideSimple respirometer measures oxygen consumption in germinating seeds, small animals, or yeast cultures for metabolic rate experiments in biology labs.

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Simple Respirometer for Biology Experiments Subcategory_Thistle Funnels General purpose googles with side

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