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High-Speed USB2
and Telophase
providing stability and durability for reliable and repeatable experiments
this instrument can process experiment about color synthesis
Tunning Forks on Resonance Box High-Speed USB2High quality physical experimental instrument, durable and practical. Two tuning forks of the same efficiency are made of the whole carbon steel. The edges and corners are neat and the surface is chrome plated, the frequency is 440 cycles per second. The tuning fork set is used to demonstrate the resonance of sound in school. Can be used as a general tuning fork of a variety of experiments, such as the sound of the occurrence, interference, sound
US$ 27.99
US$ 14.95
US$ 119.00
US$ 26000.00
