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.
1 581 calories, 41g fat, 22g carbs, 30g protein, 3g fiber. 2  Calories In Slow Cooker Beef Chuck Roast with onion gravy. 3  193 calories, 5g fat, 7g carbs, 27g protein, 1g fiber. 4  Calories In BBQ Beef Chuck Roast.
Calories by Cut of Meat. A 3-ounce serving of pot roast made from beef chuck from under the blade and trimmed to remove the fat has about 184 calories. Use beef shoulder, and the same-sized serving has 170 calories, and a 3-ounce size of pot roast made from beef chuck arm has about 180 calories. The grade of meat also makes a difference in the calories.