Show improved cutting Slow blowpipe pipe the cutting blowpipe ct which at many surprising things have been re ported has baa recently been improved it prance france in a way to render it mort generally useful two gases mut must be employed one la Is to quiren to keep the he metal at a hogt temperature the other Is tc t concentrate action by oxidation along the line of the cut for heating eithel coal gas gaa acetylene or hydrogen it Is employed but as aa there la Is difficulty in procuring a supply ol of those gases tho the new blowpipe Is arranged to uso use instead of the ordinary gasoline employed by motorists |