Two identical units each with a polaroid disc mounted in a rotatable mount with an aperture of 25 mm. Both mounts have a pointer moving over a 75 mm diameter scale divided 0-90°-0-90°-0 x 1°.
Shiv Dial Sud & Sons, brand name Supertek, founded in 1943 is widely recognized as a leading and trusted manufacturer of Educational Teaching Aids, Laboratory Glassware and Essentials. We are an ISO 9001:2015 Quality Systems Certified Organization. Read More…
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