Doppler Effect Demonstration Apparatus with 92dB Buzzer Glass Sets & Apparatus_Distillation Apparatus Ceramic center on each 5

Ceramic center on each 5 x 5-inch iron wire gauze square spreads Bunsen flame heat beneath beakers and flasks

Steeply curved concave glass mirror at 50mm aperture and 75mm focal length

and leaf-electroscope demonstrations

providing lightweight projectiles for collision-and-ramp experiments where steel or glass would carry too much momentum or break on impact

25-inch Magdeburg-hemisphere suction cups with release stubs

Doppler Effect Demonstration Apparatus with 92dB Buzzer Glass Sets & Apparatus_Distillation Apparatus Ceramic center on each 5Demonstrates the Doppler effect by swinging a 92dB buzzer on a 0. 8m tether, revealing the shift between approaching and receding frequencies in introductory wave and sound units.