Description
Relay-based NAND-gate module on a demonstration base
5 mm inner
the wider 90-45-45-degree faces handling wider beams for total internal reflection and beam-redirection demos
Four-metal 32mm density cube set with hooks in brass
Built for broad introductory microscopy
Projection Screen, 60 x 60" Lab Equipment_Meters & Testers Relay-based NAND-gate module on a60 x 60 inch projection screen provides a bright matte viewing surface for classroom overhead projectors, slide projectors, and digital displays.
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