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.
Calories. A roast beef sandwich made with 2 oz. of roast beef from the eye of round and two large slices of commercially prepared white bread contains 270 calories. Use smaller slices of bread and save just 22 calories.