... along the floor another thread, which passes through a staple in the floor, through the bottom and top of the table and then through a small hole drilled through the center of the bottom of the lower ... inside of the bottom of the table, where a hole is bored through which the thread passes to the floor. A staple is driven in the latter, through Which the thread is passed and then led to the assistant ... it to become white by apparently pushing it through. The white handkerchiefs is then inserted and becomes blue. In pushing this, the last handkerchief through, the performer follows it up with...