LPG Bunsen Burner with Flame Stabilizer and Air Vent Biology_Botany Double-vessel copper calorimeter set with

Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid

Packaged as a biodegradable classroom kit

which also mounts to bench edges and boards of equal thickness

Six-piece 3-inch optical lens set combining three double-convex and three double-concave glass lenses at 200mm

and horseshoe magnet that swap by hand

LPG Bunsen Burner with Flame Stabilizer and Air Vent Biology_Botany Double-vessel copper calorimeter set withLiquid propane Bunsen burner adds a flame stabilizer and adjustable air vent for consistent, controllable flame shape during laboratory heating.