Doppler Effect Demonstration Apparatus with 92dB Buzzer Electricity & Magnetism_Electrochemistry Bicycle dynamo on a 4mm-socket

Bicycle dynamo on a 4mm-socket base with a parallel-wired MES lamp and 2

sized for student work spanning single-cell and small-battery-stack voltages

and tri-color - sit in 2 x 2 inch plastic mounts with 1 x 1

distance-measurement system

this steel-wire test tube rack holds 24 tubes of 15-16 mm diameter in a four-by-six grid for drying and storage

Doppler Effect Demonstration Apparatus with 92dB Buzzer Electricity & Magnetism_Electrochemistry Bicycle dynamo on a 4mm-socketDemonstrates 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.