2 MARCH 1929, Page 18

_ [To the .Editor of the SPECTATOR.] •

Sia;—In answer to your correspondent of February 23rd, if a tablespoon of pure' glycerine be added to. one pint of water there is little fear of the water freezing until a fresh supply is needed.—I am, Sir, &c.,

K. MCLAREN.

Moreland House, Mill Lane, Willast6n, Wirral.