Drilled Ball Set, 1inch Diameter, set of 12, erfect for conducting own pendulum experiments, 3mm hole is drilled down the center of each ball, Comes in a plastic container with foam padding to hold the drilled balls firmly in place
ultrasonic Probe, Dimensions: 65 mm X 27 mm Dia, For Use With ultrasonic Echoscope, Includes A 16-mm Piezo-Ceramic Disc In A Die-Cast Metal Case And A 1-M Long Cable With A Frequency-Coded Snap-In Plug, Equipment Is Adapted To Sound In Water/Acrylic, 4 Mhz.
Ct Measuring Trough, Material: Acrylic, Thickness Of Sides: 4 mm Approx, Dimensions: 430X150X150 mm3, Made Of Thin Transparent Plastic, Includes Several Special Fittings For Attaching And Connecting ultrasonic Sensors To The Sides Of The Trough.
Resonance Tube Apparatus, Long version, Material: Acrylic, Mounted on retort stand with clamp and boss, with metal vessel, connecting tubing and spring clip supported on iron ring, Dimension: 120cm