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.
Roast Beef ân Cheese Slider â roast beef, Swiss cheese, and a mini bun. This one has 240 calories, 11 grams of fat, 4.5 grams of saturated fat, 30 milligrams of cholesterol, 670 milligrams of sodium, 21 grams of carbohydrates, 1 grams of fiber, and 14 grams of protein.