Density Set, Set Of 12 Polypropylene Bars Of Different Length But The Same Diameter. Students Learn That The Density Of A Substance Is Constant Even As Itsmass And Volume Change. Comes In An Attractive Wooden Holder.
Density Set - Black Derlin, Set Of 12 Derlin Cylindrical Bars Of Different Length But The Same Diameter, Students Learn That The Density Of A Substance Is Constanteven As Its Mass And Volume Change. Comes In An Attractive Wooden Holder.
Magnetizer Box - Bar Magnet, 110/120V AC, 60Hz, Revitalizes iron, nickel, cobalt, and alnico horseshoe and bar magnets in seconds. Simply place magnets in the 25x25 mm holes and press the button to make old magnets new again
Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.
Circular Coil On Base, Coil With 94 Turns Of 1 mm Dia, Mounted On A Plastic Base, And Surrounds A Plastic Sheet On Which Iron Fillings Can Be Placed. Used To Observe Static Magnetic Fields Generated By A Constant Flowing Current,For Demonstration On Static Magnetic Fields.
Air core solenoid, coils wound on a plastic tube with approximately 575 turns of copper wire, can carry a current of 5A continuously or 10A intermittently.