Beat together oil and sugar; add molasses and beat well. Stir in egg. Add soda and water. Sift together dry ingredients and add, mixing well. Chill for several hours. Roll out ¼ inch thick on floured and sugared surface. Cut out cookies and bake at 400 degrees F on greased cookie sheets for 8 to 10 minutes. Watch carefully. (This recipe is at least 150 years old!).