Description
this double-convex converging lens gathers parallel light to a single focal point for bright image-formation demonstrations
Open-top cylindrical dropping funnel in borosilicate glass holds 50mL with PTFE key stopcock for controlled liquid addition in chemistry procedures
Air-cooled rheostat with extended-tube ventilation
conductor length
Open-Ended Borosilicate Glass Combustion Tube, 11.8 inch, 0.86 inch Diameter Stock Type_Build to Order this double-convex converging lens gathersOpen ended combustion tube in borosilicate glass measures 11. 8 inches long with 0. 86 inch diameter for high temperature chemistry analysis.
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