Show IRON COL COLUMNS dumns IN irn BUILDINGS by a recent invention the prince P pie le of themire proof proba safe is applied to the formation of of iron pillars or columns in architect architecture ure urt As in the xe case bf the common t iron pillar in use a solid cast iron column sustains the whole weight of the tile superstructure per structure but in this improved arrangement there is outside of the soliel column athin cast iron shell and the space apace intervening between th the e outer gmell and the dmn ji nned hued with plaster of pans paris the conducting non properties of which am are avell neil neli vell known no weight s allowed to rest ret on the outer sli sll shell seeli ell eil or the conducting non von that Is used as filli filling Dg 0 the mission belig being to protect honi honl the effects of heal heat the real support dathe of the building the inner incer column the plan is to have these theae by an fron iron T girder hii ich is enclosed in a fireproof fire nire proof casting castin gor lof a similar nature ture and the J junction u netlon between da the pillar and the girder is isso so form ed that only the protected port portion ibn ihn of one touches the protected promoted portion of the other while the casting forms a tight joint thus making the fireproof fire proof of armor complete the simplicity simpli pity and efficiency of this plan aro arc bilous envious these columns ua anns it is stated state dare are intended to take the place oabe of the tho ordinary nars nary iron fron column in ornamental fronts of building buildings sas aa well as tile the interior of large warehouses where such sup porters are needed ex |