Doppler Effect Demonstration Apparatus with 92dB Buzzer Glass Sets & Apparatus_Distillation Apparatus Twelve-ball drilled set in a

Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum

Coplin staining jar holds five standard 76 x 25mm microscope slides upright in 4

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

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

Doppler Effect Demonstration Apparatus with 92dB Buzzer Glass Sets & Apparatus_Distillation Apparatus Twelve-ball drilled set in aDemonstrates 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.