3" Closed Ring with Boss Head Clamp, 5" Long Subcategory_Test Strips converting solar radiation to measurable

converting solar radiation to measurable thermal energy on an 18-inch-tall stand

bulb and cell holders

the second universal-logic gate that complements the NAND for any digital-circuit construction

Melting point apparatus with a thermometer holder and capillary tube wells for determining the transition temperature of organic solids in organic chemistry laboratories

Rounds out a comparative thermal-conductivity set with zinc at a moderate conductivity value

3" Closed Ring with Boss Head Clamp, 5" Long Subcategory_Test Strips converting solar radiation to measurableThree inch cast iron inner ring sits on a 5 16 inch stem paired with an open boss head, gripping rods from 5 16 to 5 8 inch for flask and funnel support on retort stands.