JLab BELL JAR (Knobbed) S.G.-20 x 10cm
(6 reviews)Features:
* Bell Jar with Plate and Vacuum Pump Plate
* Standard Bells for Bell Jar with Plate and Vacuum Pump Plate are supplied for educational and industrial applications.
* The whole apparatus is used to explain that sound needs presence of material medium to propagate.
* The Electric Bell operates at 4-6 volts AC/DC, held to a rubber cord in bell jar with coiled wire connections to terminals which are attached to a rubber bung, sealing the jar.
* Bell Jar with Plate and Vacuum Pump Plate
* Standard Bells for Bell Jar with Plate and Vacuum Pump Plate are supplied for educational and industrial applications.
* The whole apparatus is used to explain that sound needs presence of material medium to propagate.
* The Electric Bell operates at 4-6 volts AC/DC, held to a rubber cord in bell jar with coiled wire connections to terminals which are attached to a rubber bung, sealing the jar.