A Rotary Dial is a type of telephone that was popular before the advent of touch-tone phones. It features a circular disk with numbers from 0 to 9, and users would rotate the dial to select a number. Each number corresponds to a specific position on the dial, and as you turn it, a mechanical system generates a series of electrical pulses that connect your call. Using a rotary dial requires a bit of patience, as you must wait for the dial to return to its starting position after each number. This unique design is a nostalgic reminder of the early days of communication, when phones like the Bell Telephone transformed how people connected with each other.