AC/DC Power Supply Controller for Ripple Tank, Variable DC and Fixed AC Pack Size_7 adjustable via motor voltage to

adjustable via motor voltage to mimic temperature and float weight to mimic pressure

and Lucite dielectrics for studies of capacitance

Built for introductory head dissection

with adjustable slit and draw-out focusing for examining the spectral composition of light sources

Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels

AC/DC Power Supply Controller for Ripple Tank, Variable DC and Fixed AC Pack Size_7 adjustable via motor voltage toTwo variable 0 to 6V DC outputs paired with two fixed 6V 10W and 12V 20W AC outputs on this power supply controller, sized for ripple tank and bulb driven physics demonstrations.