The New Zealand Railways Magazine, Volume 14, Issue 11 (February 1, 1940)
Lemonade
Lemonade.
Two gallons water; 2 lbs. sugar; three lemons; one tablespoon cream of tartar.
Boil water and pour over all other ingredients. Leave overnight. Next day strain and bottle. Let lemonade stand in bottles seven days before using.
Note.—Use caps on bottles, as corks may fly off.