QINGHUA SCIENCE & EDUCATION EQUIPMENT CO.,LTD. QINGHUA ELECTRONIC INSTRUMENT CO.,LTD.
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Magnifier
The propagation of light, reflection, refraction Tester
LED light array
Thin slit spectrosco
Mirror (folding)
Laser optical demonstration instrument
A demonstration kit for studying optics
QH2551-2 Spectroscope | spectrometer
Base magnifier
Demonstrator of refraction & reflection of light
Simple Stroboscope
Experiment of light refraction and reflection
Optical blocks
Safety Glasses