b'INSTRUMENTS | MERIDIAN ZERO CLOCKS AND BAROMETERS INSTRUMENTS | CLOCKS AND BAROMETERSClassic Clocks and Barometers for Land and Sea Brass Porthole InstrumentsMERIDIAN ZERO CLOCKS AND BAROMETERSCapstan Range Dimensions Channel Range Dimensions PORTHOLE RANGE The Meridian Zero range of instruments are made of solid unlacquered brass andDimensionsbevelled glass. Our chrome instruments are made by anodising chrome on to brassBack diameter132mm Back diameter117mm SmallMediumLargeinstruments, not steel. The clocks have a quartz movement and the barometers haveFront diameter124mm Glass diameter84mm Back Flange Diameter145mm186mm220mma sealed unit with an adjustment mechanism. Tide Clocks feature an additionalGlass diameter100mm Depth52mm Face and Dial Diameter80mm 115mm143mmhand which records lunar time over a 24 hour and 50 minute period whichDepth52mmapproximates to the cycle of high and low tides.CAPSTAN RANGE BRASS SMALL PORTHOLE BRASS18010 Clock 18012 Tide Clock 18014 Barometer 18016 Comfort Meter,Thermometer, Hygrometer 18070 Clock 18076 Tide Clock 18073 BarometerCHANNEL RANGE BRASS MEDIUM PORTHOLE BRASS18030 Clock 18029 Tide Clock 18033 Barometer 18032 Comfort Meter, Thermometer, Hygrometer 18071 Clock 18077 Tide Clock 18074 BarometerMOUNTED SETS - CHANNEL RANGE BRASS LARGE PORTHOLE BRASS18034 Channel Range Clock and Barometer18036 Channel Range Tide Clock and Barometer Mounted on a rosewood board 15cm by 29cm.Mounted on a rosewood wooden board 15cm by 29cm.18072 Clock 18078 Tide Clock 18075 BarometerWOOD MOUNTED PORTHOLEWood Mounted Porthole Dimensions18079 Tide Clock 18080 Weatherman 4 in 1Barometer,Back diameter34.2cmThermometer, Clock, Hygrometer Glass diameter19.3cm22| 23'