Description
Transverse and longitudinal sections of this 3D dicot stem expose epidermis
AC 200V-600V
this low-current 2mA buzzer on a demonstration base sounds whenever current flows through the closed circuit
46mm copper wire on a 9mm soft-iron U-form core
Base-mounted 2-stroke diesel engine model in aluminum and plastic
Bar Breaking Thermal Expansion and Contraction Apparatus Light & Optics_Color Transverse and longitudinal sections ofTensioned steel rod in a heavy iron frame breaks a brittle iron cross rod as cooling contraction pulls it taut, visualizing the forces at play during thermal contraction.
Exchange/Return Notes
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