US$ 168.00
Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs
2 triple-tandems
Chrome-plated steel wire stand at 5 x 5 x 5 inches supports flasks and beakers above alcohol burners for classroom chemistry demonstrations
Seven hand-painted removable parts expose atria
Graphite lattice kit whose atoms and connecting rods assemble into planar carbon sheets
LPG Bunsen Burner Set with 2ft Neoprene Hose Subcategory_Lab Jacks Two-speed ticker timer kit printingZinc alloy LPG Bunsen burner with flame stabilizer ships with a 2 foot neoprene gas hose for immediate bench setup in chemistry classrooms.