London's Pulse: Medical Officer of Health reports 1848-1972

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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London

Marylebone 1896

The sanitary chronicles of the Parish of St. Marylebone being the annual report of the Medical Officer of Health for the year 1896

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Table: TABLE XII.— Report of Analyses of Water supplied to the Parish duringFirst Quarter, 1897.All results are expressed in gbains per gallon.

TABLE XII.— Report of Analyses of Water supplied to the Parish during

First Quarter, 1897.

All results are expressed in gbains per gallon.

Description of Sample.Appearance in Two-feet Tube.Smell when heated to 100° Fahr.Chlorine.Phosphoric Acid.Nitrogen as Nitrates.Ammonia.Albuminoid Ammonia.Oxygen, absorbed inHardness, Clark's scale, in degrees.Total solid matter dried at 220° Fahr.
15 minutes atordn. tem.1 hour at 212° Fahr.Before boiling.After boiling.
January. West Middlesex WaterClear, & pale yellow.1.2S. Trace.1791.0007.0042.0210.186219.15.021.8
Grand Junction Water,,...1.3,,.1642.0008.0033.0341.198220.15.621.6
February. West Middlesex Water,,...1.22,,.1459.0007.0056.0399.142114.73.621.2
Grand Junction Water,,...1-3,,.1418.0004.0041.0411.152214.83.922.0
March. West Middlesex Water,,...1.25,,.1521.0010.0051.0171.152115.24.120.6
Grand Junction Water,,...1.2,,.1651.0006.0044.0160.162216.14.221.1

Table: TABLE XIII.—Illuminating Power , Pressure , and Quality of the Coal Gas consumed in the Parish during First Quarter, 1897.

TABLE XIII.—Illuminating Power , Pressure , and Quality of the Coal Gas consumed in the Parish during First Quarter, 1897.

For the Quarter ending 31at Mar., 1897.Illuminating Power in Sperm Candles.Mean Pressure in tenths of an inch.Mean Quantity of Sulphur in 100 cubic feet.Mean Quantity of Ammonia in 100 cubic feet.Sulphuretted Hydrogen.
*Mean of observations.Highest.Lowest.Highest.Lowe t.Grains.Grains.
COMMON GAS— January16.316.016.733.915.612.5.00None.
February16.416.116.634.616.111.10.04,,
March16.216.316.134.815.812.1.01,,