Density of the water from King’s Well1·0166
Osmotic pressure equivalent to that of a salt solution containing per litre1·09grams NaCl.

Volume of gas in twenty-four hours from—

Litres.
King’s Well4,927
Cross Spring218
Hetling Spring218(estimated).
5,363

Analysis of gas (King’s Well)—

Parts per
10,000.
Carbon dioxide360
Nitrogen, etc.9,640
No oxygen, no hydrogen, no marsh gas.

The nitrogen contains—

Argon73·63
Neon23·34
Helium2·97

From all three wells in twenty-four hours—

Litres.
Argon39
Neon12½
Helium

Gases dissolved in Pump-room Water.—This water contains 18·5 volumes of gas per 1,000 of water. Its composition is—