1 gal. cucumbers, sliced
3 onions, sliced
4 c. vinegar
4 c. sugar
1/2 c. salt
1 1/2 tsp. celery seeds

Put cucumbers and onions in large glass jar. Put celery seeds and mustard set on top of cucumbers. Mix sugar, salt, and vinegar until well dissolved. Pour over cucumbers. Refrigerate.