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 Meat - Beef, Lamb, and Pork. Meat comprises water, protein, fat and various amounts of minerals and vitamins. The protein is located in the muscle tissue, and constitutes from 15% to 20% of the mass of meat. There are no carbohydrates in meat! Beef Calories and Nutrients. Per 100 grams (3.5 ounces) of meat.