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.
According to the USDA, there are 5 grams of fat and 147 calories in a single serving of roasted dark meat. But if you choose white breast meat, you'll only consume 125 calories and less than 2 grams of fat. A single serving of turkey is 3 ounces or a portion that is roughly the size of a deck of cards.