| Show walding sueur IRON M mr r bertramn bertram an eng erig alli ii h eligid engineer eer has invented a process of f erml joining together slabs of af sheet iron 0 wo o aro ifo L for r the tin purpose of making boilers building ships slips sl aps erecting brid bridges tes yes ac ill lout loul tle tile tie use of rivets thi tins novel method of welding the t ie iron lusted 0 of join joining it by tile tiie rough mear s hilier hilberto in liberto to in u use se that of rive riveting is is by fusing the lw two edges of the tile plates places to le adhered and arid st liking thern them simul tull ou ly on both sides kides by byr this means mearis the structure is is reu ren rendered dered materially tighter and lucli sr itras been hitherto considered e red impossible to inace malie an unlimited surface of ron non iron inon aid arid ald imire lave it of ie liable reliable Areng th but ti tius tins is process of mr bertram is is claimed to effect tle tie the object completely |
