Richard Spikes was an African-American inventor created with  inventing the turn signal and the beer keg tap. Not a lot is known  about his personal life except that he was â¦ declared legally blind  in 1962, the same year he passed away. Answered.
There are 56 calories in 1 thin slice of Roast Beef. Calorie breakdown: 60% fat, 0% carbs, 40% protein.
Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Tender Roast beef-slow cooker. 672 calories of Beef chuck, arm pot roast, (0.50 lb).5 calories of Onions, raw, (0.20 small).4 calories of balsamic vinegar, (0.40 tablespoon). 3 calories of Lea & Perrins, Worcestershire Sauce, (0.60 tsp).72 calories of Beef chuck, arm pot roast, (0.50 lb). 5 calories of Onions, raw, (0.20 small). 4 calories of balsamic vinegar, (0.40 tablespoon). 3 calories of Lea & Perrins, Worcestershire Sauce, (0.60 tsp).