Brass cased Tide clock with hinged door, white dial with Arabic numerals, dial showing high, low and half tides, rising and falling tides. Works by having extra gear to approximate tide times - will need manuall correction which is easily done. Accuracy varies according to where used.
Click for larger image

Brass cased tide Quartz clock with hinged door, white dial with Arabic numerals and dial showing high, low and half tides, rising and falling tides. Works by having extra gear to approximate tide times - ill need manuall correction which is easily done. Accuracy varies according to where used.
Click for larger image