US$ 15.00
and tubing
from incisors through molars with root structures visible
5 ohms and 9A with oxidized constantan winding on a vitreous-enameled tube and three binding posts
Neck inner diameter: 28
letting students sweep through resonance and watch amplitude peak when drive matches natural pitch
Handheld Vacuum Pump with Gauge Subcategory_Electrostatics and tubingFitted with a built in mercury gauge and flexible hose, this handheld vacuum pump pulls partial vacuum for gas law demonstrations, vacuum filtration, and leak testing.
US$ 15.00
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