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.
How Many Calories in Lean Roast Beef. View calories and nutrition info per 1oz/28g of Lean Roast Beef and see how many calories are in 100g of Lean Roast Beef and its nutrition information. Lean Roast Beef Calories and Nutrition per Serving (1 Serving=1oz/28g) Calories (with Percentage) for each Nutrient for 100g of Lean Roast Beef.