US$ 18.99
Heavy-base Bunsen burner adds stopcock gas control for fine flame adjustment during chemistry experiments with liquid propane or butane fuel
moveable joints
Dial-gauge expansion apparatus with three interchangeable metal rods for heating and measuring the small length change each metal undergoes
Drilled 3/4-inch steel ball with an approximately 2
midpiece with mitochondrial spiral
Human Stomach Model, Life Size, Compact Geology Heavy-base Bunsen burner adds stopcockLife size stomach model opens to reveal mucosal folds, the pyloric sphincter, and gastric wall layers in a compact footprint for digestive anatomy teaching.
US$ 18.99
US$ 147.50
US$ 105.00
US$ 34.99
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US$ 54.00
US$ 195.00