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Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science Hand-cranked cam turning against both

SKU 38289671941
4.5
Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science Hand-cranked cam turning against both
Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science Hand-cranked cam turning against both
Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science Hand-cranked cam turning against both
Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science Hand-cranked cam turning against both
Description

Hand-cranked cam turning against both a straight follower and a lever follower

this set bundles the moving-coil meter

Semi-stiff nylon bristle brush on a twisted stainless steel wire handle

5 N/m spring constant

Flexible spine model demonstrates vertebral movement

Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science Hand-cranked cam turning against bothLong focal double concave glass lens at 75mm diameter and 300mm focal length, the moderate curvature spreading light gently for divergence and virtual image formation work in refraction demos.

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