Closed Retort Ring with Stem, 5.9" ID, Plated Mild Steel Item Type_Cell Model Compares liquid-expansion rates by suspending

Compares liquid-expansion rates by suspending five removable glass bulbs-and-tubes in a shared heated water trough

8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction

winding weights for electrical-to-potential-energy work

Pairs with the Malvern turbine/pump unit through two basins and shaped glass tubes on a stand

Benchtop hydro-electric power station at 13 by 9 by 7

Closed Retort Ring with Stem, 5.9" ID, Plated Mild Steel Item Type_Cell Model Compares liquid-expansion rates by suspendingPlated mild steel closed retort ring with a 5. 9 inch inner diameter and 5. 5 inch stem, sized for large flasks and funnels held over heat sources in chemistry setups.