Early escalators had stairs made of wood â which happens to burn, unfortunately. One of the most notorious escalator accidents in history occurred on November 18th, 1987, when a fire fanned by drafts in Londonâs Underground subway network killed 31 people.
Preheat your oven to 475 degrees F. Move your bottom round to a roasting pan, and place a meat thermometer into the thickest part of the beef. Step 3. Roast your bottom round at 475 degrees F for 30 minutes. Then, reduce the heat to 350 degrees F and continue roasting. Monitor the meat thermometer for your desired cooking level. Anything below an internal temperature of 130 degrees F is rare. Do not roast to an internal temperature of more than 140 degrees F or your roast will be medium, not medium rare.
Tips. 1  If you're roasting the beef in a convection oven rather than a conventional oven, preheat to 275 degrees F. Take the roast out when the internal temperature is 125 degrees. 2  The roast beef's temperature will climb another 30 degrees following removal, reaching well-done. temperature of 155 degrees F signifies a well-done roast for most cuts of beef. Drape a piece of aluminum foil loosely over the roast and allow it to sit out for about half an hour.