Cucumber Relish - cooking recipe

Ingredients

4 qt. cucumbers, chopped fine
4 Tbsp. salt (3 for cucumbers and 1 for onions)
2 qt. onions
6 c. sugar
2 tsp. celery seed
1 tsp. mustard seed
4 c. vinegar
2 tsp. turmeric
1 tsp. alum

Preparation

Let the first 3 ingredients stand for 2 hours.
Drain and squeeze.
Mix remaining ingredients.
Bring to boil.
Let sugar dissolve.
Add cucumbers and onions.
Bring to boil and seal.