The Channel Range of instruments is made of solid unlaquered brass with an opening latch and bevelled glass. The tide clock has a quartz movement and features an additional hand which records lunar time over a 24 hours 50 minute period and so indicates successive high and low tides.The barometer is a sealed unit with adjustment mechanism. These two instruments are mounted on a wooden board with oak stain.
Instrument Back Flange Diameter 117mm
Instrument Face and Dial Diameter 84mm
Board 15cm by 29cm