Tartar Sauce or for Vegetable Salad

12 medium sized cucumbers, sliced 1/4 inch thick 6 onions, sliced thin Let stand 2 hours in salt solution with ice cubes, made from 2 quarts water and 1/2 c. salt and ice cubes. Combine: 2 c. vinegar 2 c. sugar 2 tsp. mustard seed 2 tsp. celery seed 1 tsp. ginger 1 tsp. cornstarch…