6.25" Circular Lab Tripod, Zinc-Plated Cast Iron Item Type_Density Cubes & Cylinders Wood-cased direct-vision spectroscope built around

Wood-cased direct-vision spectroscope built around a 3-element prism stack

and eroded slopes with each feature labeled

Penny head solid cone stopper in borosilicate glass features 29/32 cone for sealing ground joint vessels with finger-grip top design

Solid carbon electrode bar that conducts current without participating in electrochemical reactions

pairing with a motor unit to trace the full light-to-electrical-to-mechanical energy chain

6.25" Circular Lab Tripod, Zinc-Plated Cast Iron Item Type_Density Cubes & Cylinders Wood-cased direct-vision spectroscope built aroundZinc plated cast iron circular lab tripod at 6. 25 inches diameter and 8. 25 inches tall supports glassware over Bunsen burners for bench heating.