ultrasonic Continuous Wave Generator With Probe, Power Consumption: 5-60 Va; Failure at 100 Va, Mains Voltage: 90-230 V, 50/60 Hz, Fuse: T630 Ma at 115 V; T315 Ma at 230 V, Generator Frequency: </=20 Mhz, Frequency Increment: 1 Hz
Inverting Spectacles, With Two Fully Rotating Inverting Prisms In A Shielded Spectacle Frame, The Inverting Prisms Produce A Lateral Inversion Of The Rays-The World Thus Turns Upside Down, This Also Enables A Better Understanding Of The Visual Perception Of Babies.
Go Direct Projectile Launcher to investigate important concepts in two-dimensional kinematics. Launch steel balls at angles between 0 and 70 degrees and over distances up to 2.5 m. Built-in photogates and angle markings provide easy and accurate measurement