I have made Honeywell parts for commercial jets.???</p><p>The machines at Stewart & Associates are computer controlled but Carlson's home machine shop is crowded with hand-operated lathes, milling machines and other equipment -- some of it antique.</p><p>Taped to the walls are hand-drawn blueprints for things he makes, including one for the now infamous 2-inch music box.</p><p>Carlson also makes par