Opening au envelope by pulling a etring is the latest labor saving device. Like all simple contrivances, it seems qceer uo one thought of it before, but that doesn't impáir its usefuhiess. envelope can be equipped with the opener. An ordinary pieoe of thread is inserted af the top of the flap, and when the fold is made the thread projecfcs from one end. To open the envelope all that is necessary to do is to pul) back the thread. This envelope opener is a New York invention, and it promises to be very popular with the busy business man.