$Diffraction Grating Light Scale$

Diffraction Grating Light Scale

M251S

$11.98

Get it in 3 business days with 1 day shipping. Friday, May 29

Diffraction Grating Light ScaleThis Diffraction Grating Demonstration Slide has three 20mm x 10mm gratings with 100, 300, and 600 lines per mm, mounted between glass plates. The viewing area of each section is 15mm x 10mm. Three lenses on one slide can be used to demonstrate diffraction of light or to measure wavelengths of light. Premium Quality: Light Scale is made of high grade construction all the way through, excellent build quality and proven reliability across the range.

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My doctor recommended a high quality calcium capsule because I am at risk for osteoporosis. The magnesium enhances calcium absorption and helps with my insomnia. I take one capsule daily along with a diet of mostly whole foods. I am 50 years old and have taken this supplement for several years now and my annual lab tests for calcium are always in the desired range.

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Reviewed in the United States on June 23, 2021

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Deb

Charlottesville, US

★★★★★ 5

Good calcium and magnesium together

Size: 180 Count (Pack of 1)

Size is easy to take

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Reviewed in the United States on May 8, 2026

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sav4u

Pawtucket, US

★★★★★ 5

Works great

Size: 180 Count (Pack of 1)

Excellent

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Reviewed in the United States on May 27, 2026

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MrPickles

Cuba, US

★★★★★ 5

Truly Pure

Size: 180 Count (Pack of 1)

It’s often difficult to find a supplement that only contains the supplement of interest. So many supplements on the market have other additives. I appreciate that this supplement only has what I’m looking for.

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Reviewed in the United States on January 7, 2026

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bobbie13

San Leandro, US

★★★★★ 4

Better for Your Body's Health

Size: 180 Count (Pack of 1)

I liked this version because it's natural without a bunch of unnecessary fillers, preservatives, flavorings, colorings, of other additives. Why can't all manufacturers follow the same example as Pure Encapsulations? Putting the customer health first!

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Reviewed in the United States on October 7, 2016