Cobb Salad and original dressing Recipe

1/2 lettuce, about 4 cups
1 bunch watercress
1 small bunch chicory,about 2 1/2 cups
1/2 head romaine, about 2 1/2 cups
2 medium peeled tomatoes
6 strips crisp bacon
2 breasts of chicken, boiled
3 hard cooked eggs
1 avocado
1/2 cup Roquefort cheese
2 tbls. chopped chives
1 cup (approximately) Original Cobb Salad dressing.
Salad Dressing:
1/4 cup water
1/4 cup red wine vinegar
1/4 tsp. sugar
1 tsp. freshly squeezed lemon juice
2 tsp. salt
3/4 tsp. freshly ground black pepper
3/4 tsp. Worcestershire sauce
1/4 tsp. dry English mustard
1 small clove garlic, finely minced
1/4 cup full-flavored olive oil
3/4 cup salad oil

Cut lettuce, half the watercress, chicory and romaine in fine pieces and arrange in a bowl.Cut tomatoes, bacon,chicken, eggs, and avocado in small pieces and arrange, along with the crumbled Roquefort cheese, in strips on the greens. Sprinkle finely cut chives over the Cobb salad and garnish with the remaining watercress. Just before serving, mix the salad with the Cobb dressing.
Salad Dressing:
Blend all ingredients together, except oils. Add slowly olive and salad oils. Mix well. Blend well again before mixing with salad.