Great Crosby Sea Outfall Harbour and Fisheries Dept., Approval of Outfall by Harwich, Mean Level of Sea at High Water Mark of Ordinary Tides Hook-Gauge, for Measuring flow over Weirs Hull, Mean Level of Sea at Hydrographical Surveying Problems in Current Observations Impermeable Areas, Flow of Rain off --Percentage of --per Head of Population Indian Ocean, Tides in Infiltration Water Irish Channel, Analysis of Water in Iron, Effect of Sea Water on Cast June, Low Spring: Tides in Kelvin's Tide Predicting Machine Land, Area of Globe Occupied by Leap-weir Storm Overflow Liverpool, Datum for Tides at --Soundings on Charts of --Tide Tables Lloyd-Davies, Investigations by Local Government Board, Current Observations Required for London, Datum for Port of Low Water Mark of Ordinary Tides Lunar Month Lunation Magnetic Variation of Compass Marine Compass Mean High Water Mersey, Soundings on Charts of Mixing Action of Sewage and Water Moon, Declination of --Distance from Earth of --Effect on Tides of --Mass of --Minor Movements of --Orbit around Earth of --Perigee and Apogee Morse Code for Signalling Nautical Almanac Neap Tides --Average Rise of Orbit of Earth around Sun --Moon around Earth Ordinary Tides, lines on Ordnance Maps of Ordnance Datum for England --Ireland, 17 --Records made to fix --Maps, lines of High and Low Water on Outfall Sewers, Approval by Board of Trade of --Calculations for Discharge of --Construction of --Detail Designs for --Details of cast-iron Pipe Joints for --Flap Valves on end of --Inspection during Construction of --Marking position by Buoy of --Selection of Site for Overflows for Storm Water Pacific Ocean, Tides in Parliament, Current Observations Required for Perigee Perihelion Piling for Sea Outfalls Pipes, Joints of Cast Iron --Steel Plymouth, Mean Sea Level at Predicting Tides Primary Waves Prismatic Compass Pumping --Cost of --Plant --Management of --Utilisation of Windmills for Pumps for Use with Windmills Quantity of Rainfall to Provide for --Sewage to Provide for Rainfall --at Times of Light Winds --Frequency of Heavy --in Sewers --Intensity of --Storage Capacity to be Provided for --To Provide for Range of Tides Rise of Tides Screening Sewage before Discharge --Storm Water before Overflow Sea, Mean Level of Sea Outfalls, Calculations for Discharge of --Construction of --Design of --Lights and Buoy to mark position of --Selection of Site for Seashore Material used in Concrete Sea, Variation around Coast in level of --Water, Analysis of --Effect on Cast-Iron of --Effect on Cement --Galvanic action in --Weight of Secondary Waves Separate System of Sewerage Sewage, Effect of Sea Water on --Gauging flow of --Calculations for --Hourly and daily variation in flow of, 42 --Quantity to provide for Sewers, Economic considerations in provision of Surface Water --Effect on Design of Scheme of Subsidiary --Storm Water in