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 In Sliced Roast Beef & Fruit Calories: 157, Fat: 3g, Carbs: 23g, Protein: 13g, Fiber: 4g. Calories Burned For Treadmill: 10% Incline, 6.6 mph (9 minutes per mile) Calories Burned For Treadmill: 10% Incline, 7.5 mph (8 minutes per mile) Calories Burned For Treadmill: 10% Incline, 8.5 mph (7 minutes per mile)