Meridian Zero Channel Solid Brass Thermometer and Hygrometer 3 inch

The Meridian Zero range of instruments are made of solid unlacquered brass and bevelled glass. . The clocks have a quartz movement and the barometers have a sealed unit with an adjustment mechanism. Tide Clocks feature an additional hand which records lunar time over a 24 hour and 50 minute period which approximates to the cycle of high and low tides. Channel Range DimensionsBack diameter 117mmGlass diameter 84mmDepth 52mm