Low Voltage AC/DC Switchable Power Supply, 6V/12V 2A (Discontinued) Subcategory_Pitchers Stamped with element symbols for

Stamped with element symbols for quick identification

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

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

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 Stamped with element symbols forAC 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.