US$ 55.99
Six-pack of polished stainless steel spatula-scoops with one rounded end and one pointed end
Five-pack of 3/4-inch plastic marbles
letting gas evolution and electrode-color changes stay visible from the back of the room during water-decomposition lectures
Dulong-and-Petit mercury-expansion apparatus with two glass limbs in 460 by 25mm heated jackets
Superior Ring and Ball Apparatus Subject_Earth Science Six-pack of polished stainless steelCast iron based Gravesande ring and ball with a 30mm ball, the heavy plinth preventing tipping while flame heating expands the ball beyond the ring diameter.
US$ 55.99
US$ 119.95
US$ 27.99
US$ 179.95
US$ 24.95
US$ 37.99
US$ 102.47
US$ 59.95