This small, compact tangent galvanometer provides an uncomplicated method for studying direction
and magnitude of magnetic fields! It also demonstrates that deflection of a magnetic needle is
proportional to current, thus becoming a simple way for students to understand the internal
workings of meters. The unit is constructed on an attractive black acrylic base. Requires a 1.5-volt
DC power source. Includes: instruction manual, compass and connector cords. (7″ x 5″ x 7″; .5Ib).