{"product_id":"2pcs-tuning-fork-440hz-vibration-wood-resonator-box-experimental-instrument-tuning-fork-knocker-6-5x16mm-0-3x0-6in","title":"2pcs Tuning Fork 440Hz Vibration Wood Resonator Box Experimental Instrument Tuning Fork Knocker 6.5x16mm 0.3x0.6in","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✔【PHYSICAL EXPERIMENTAL INSTRUMENT】---- physical experimental instrument, and practical.\u003c\/li\u003e\n\u003cli\u003e✔【2 SAME EFFICIENCY TUNING FORKS】----Two tuning forks of the same efficiency are made of the whole 45# carbon steel.\u003c\/li\u003e\n\u003cli\u003e✔【CHROME PLATED SURFACE】----The edges and corners are neat and the is chrome plated, the frequency is 440 cycles per second.\u003c\/li\u003e\n\u003cli\u003e✔【DEMONSTRATE SOUND RESONANCE】----The tuning fork set is used to demonstrate the resonance of sound in school.\u003c\/li\u003e\n\u003cli\u003e✔【USED FOR VARIETY OF EXPERIMENTS】----Can be used as a general tuning fork of a variety of experiments, such as the sound of the occurrence, interference, sound conduction of various substances.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walfront","offers":[{"title":"Default Title","offer_id":46312351629509,"sku":"B07SPKC5T7","price":42.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/9726\/7397\/files\/41TZqWgpgTL.jpg?v=1780623281","url":"https:\/\/ousiameditation.com\/products\/2pcs-tuning-fork-440hz-vibration-wood-resonator-box-experimental-instrument-tuning-fork-knocker-6-5x16mm-0-3x0-6in","provider":"OUSIA","version":"1.0","type":"link"}