Sprinkle salt on chopped cucumbers, mix well and let set for several hours.
Drain, wash and drain well.
In a large heavy bottomed pan (or roasting pan) add vinegar, sugar, flour and spices.
Add cucumbers, onions and peppers.
Cook over medium heat, ( or in a 350F oven) stirring often until mixture and sauce comes to a simmer.
The vegetables need to be heated through.
Pack in hot sterilized jars.
Seal with hot sterilized lids.
Put in a hot water bath for 10 minutes.