The original brick smoker at Louie Mueller Barbecue in Taylor, built in 1959. (Photo © Philip Lamb) A couple of weeks ago we wrote about a chance to buy a piece of Texas BBQ history - the original catering smoker rig at Snow's BBQ in Lexington. Here's a slightly less expensive opportunity to buy another item representing the best in Texas BBQ. You may have heard about the fire that recently destroyed the original brick pit at Louie Mueller Barbecue in Taylor. The pit, which was built in 1959, was a total loss after back-to-back pit fires over the weekend…