Reading Magnifying Glass, 50mm, 15cm Focal Length Gifts_Bar the 90-45-45-degree faces redirecting wider

the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work

Pair of 12 by 3

dropping resistance as temperature rises and giving an introduction to temperature-dependent semiconductor sensors

sized for fine soldering work on circuit boards and small electronic components

Extended two-inch fingers on this vinyl-coated three-finger clamp provide deeper reach into apparatus assemblies

Reading Magnifying Glass, 50mm, 15cm Focal Length Gifts_Bar the 90-45-45-degree faces redirecting widerPlastic handled 50mm reading magnifier with a 15cm focal length, doubling as a lab demo lens for focusing sunlight and investigating image formation with convex optics.