Show NOVEL INVENTION mr bertram bartram of dockyard has patel ted au an invention for foi an economical process of firmly joining together slabs sl ibs lbs of sheet iron work for ahe tira tire purposes 0 of f makin making 9 boilers building ships and ere clina 1 bridges ac without the uso use of rivets thill 1 novel method of welding the iron instead of joining it by the rough means hitherto in use that of is carried out by fusing lie two edges of 0 the plates to be adhered and striking striking hint kint them simultaneously on both bolli indes idas by this means mears the structure is rendered materially lighter and much nr |