Description

with a slide-bar carriage carrying a phosphor-bronze contact and three binding posts

and protein separation across three selectable ranges (0-50V

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

and d2sp3 atoms for hybridization-and-geometry visualization

PNP Transistor Unit Physics_Light & Optics with a slide-bar carriage carryingPNP transistor on a transparent base with 4mm color coded sockets and a printed circuit diagram, the complementary polarity counterpart to NPN for push pull and bias network demonstrations.

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PNP Transistor Unit Physics_Light & Optics with a slide-bar carriage carrying

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