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1 red and black plug wires
Wide Range of Applications: Phenolphthalein Indicator is commonly used in acid-base titrations
this thermometer is durable and reliable for long-term use in brewing beer and making wine
If you need custom order with different sizes/design please contact Vision International
5-inch x 0
Tunning Forks on Resonance Box 1 red and black plugHigh 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
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