Rectangular Retort Base and 29.5" Rod Set, 10 x 6.25", 12mm Rod Subcategory_Racks and Stands demonstrating atmospheric pressure as the

demonstrating atmospheric pressure as the can implodes under evacuation

Plastic-housed plotting-compass field demonstrator that maps the magnetic field configuration in one or two dimensions whenever a permanent magnet is placed against it

illustrating that sound cannot travel without air

sized for 18 to 20 mm tubes on shared laboratory workbenches

and green onto paper or walls

Rectangular Retort Base and 29.5" Rod Set, 10 x 6.25", 12mm Rod Subcategory_Racks and Stands demonstrating atmospheric pressure as thePowder coated steel retort base 10 by 6. 25 inches paired with a 29. 5 inch stainless steel rod, giving a 2. 6 pound platform for intermediate height laboratory stand assemblies.