Not exactly but it's close enough. They weren't mechanical at all, but set by hand to indicate the range to a target that a line of battleships were shooting at.
On the UTAH photograph, the large dial with numbers at the center top was popularly known as a "range clock." This dial, along with one on the aft side of mainmast, was used to indicate the range to the target to other battleships in line ahead and astern. The numbers painted around the base of the turret (foreground) similarly indicated the azimuth, or direction, to the target. These two devices together, it was believed, would allow a squadron of battleships to concentrate their gunfire on a single target even if some of the ships couldn't actually see the target themselves due to smoke or weather conditions. The UTAH photo is a U.S. Naval Historical Center photo NH76569.
BTW CWO2, I really like your TV recording device :roll: :lol:
Charlie Capt USN Ret.