This is very important. Water will absorb all the gases, with which a room is filled from the respiration of those sleeping in the room.

=Weights and Measures=

4 Teaspoonsfuls equal 1 tablespoonful of liquid.

4 Tablespoonfuls equal half a gill.

2 Coffee-cupfuls equal 1 pint.

2 Pints equal 1 quart.

4 Coffee-cupfuls of sifted flour equal 1 pound.

1 Quart of unsifted flour equals 1 pound.

1 Pint of granulated sugar equals 1 pound.

1 Coffee-cupful of cold butter pressed down equals 1 pound.