Low Voltage AC/DC Switchable Power Supply, 6V/12V 2A (Discontinued) Subcategory_Pitchers and copper supports density

and copper supports density

letting students compare four densities by mass alone while the volume is held constant across the set

from incisors through molars with root structures visible

equipping a class for dual-diameter compound-pulley experiments without cord-threading setup

Virtually unbreakable ABS-plastic dynamics cart pair with two-level spring punches

Low Voltage AC/DC Switchable Power Supply, 6V/12V 2A (Discontinued) Subcategory_Pitchers and copper supports densityAC DC switchable low voltage power supply outputting 6V or 12V at 2 amps from a 110V mains input, with banana plug terminals for optical bench and physics demonstration circuit setups.