Low Voltage AC/DC Switchable Power Supply, 6V/12V 2A (Discontinued) Subcategory_Pitchers equipping a class for dual-diameter

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

25-inch Magdeburg-hemisphere suction cups with release stubs

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

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

and copper supports density

Low Voltage AC/DC Switchable Power Supply, 6V/12V 2A (Discontinued) Subcategory_Pitchers equipping a class for dual-diameterAC 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.