Doppler Effect Demonstration Apparatus, 92dB buzzer, 0.8m tether. Nylon cord is 2ft 8in attached to a rugged ABS handle 8.5in long, (1in diameter), Swing the apparatus and students will be able to hear the change in frequency, Dimensions: 4.5 x 5 x 3 in
Bursting Bottle, Weight (lb)1. 8, Length (in)4. 7, Width (in)3. 9, Height (in)2. 4, Cast iron, Bottle size 90mm in length and 20mm in, Bottles are constructed from cast iron. Bottle size 90mm in length and 20mm in dia. Supplied with plug.
Combination 2. 2 m Track and Optics Bench, black anodized aluminum and includes a metric scale. Extremely rigid, this 2. 2 meter track will not sag under use, The track includes 2 Adjustable Two Foot Levelers.