Place the milk, rice, sugar, butter, vanilla and salt in a heavy 4 quart saucepan. Bring the mixture up to a boil under moderately high heat, after it comes to a boil, reduce the heat and simmer the mixture uncovered stirring frequently until rice is very tender ( about 1 hour). When the one hour cooking time is up remove the pan from the stove. Whisk the eggs in a medium bowl . Add 1 cup of the rice mixture from the pan to the bowl with the eggs while whisking. Stir the mixture back into the pan with the pudding, then stir in the cream. Pour the rice pudding into a 13x9 inch glass or ceramic baking dish with a 3 quart capacity. Sprinkle the pudding with cinnamon, refrigerate the rice pudding covered for 3 hours.