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.
1 Calories In BBQ Beef Sirloin Roast. 243 calories, 10g fat, 4g carbs, 34g protein, 0g fiber. 2  Calories Burned For Treadmill: 10% Incline, 15 km/h (4 minutes per km)  Calories Burned For Treadmill: 10% Incline, 12 km/h (5 minutes per km)