Show making glass glasa marble two or three processes aro are followed in jbf pt mapu manufacture facture of artificial glassy glass marble arble m Por lb ti a maternal mater tal was made in a large mast mase and planed into slabs but this ope operation rution la Is a one andin and in order ardor to avoid it them the imitation warble marble la Is molded in a sheet on a piece of glass to get gal the lines line s and markings of 0 marble this sheet which Is highly polished and nd rubbed wi with oil has also aleo traced upon it tha desired characteristics imitating marble and then a h layer ofa o khlok mixture ot ct gypsum of W iad color Is carefully poured over b glasa and efi eft to harden aher after hardening tb tha a slab Is carefully ily removed and ad the next neato to the gals will bo be found to be absolutely arooth and veed peed no ne |