Mercury cells are cells that have a small, electric potential of approximately 1.3 V, but with the advantages of electric potential is almost always constant, lifetime is used with the calculator watch cameras Benchtop dance of the heart.
Mercury cells are cells that are smaller. A voltage of about 1.3 V, but there are advantages to potential almost constant throughout the lifetime. Use the calculator, clock, camera, monitor the heartbeat.
Mercury cell is a cell with a small, electric potential, about 1.3 V. But there are advantages to electric potential is almost constant throughout the lifetime. Used with the calculator, watches, cameras, audiometer heart.