| Show Keeping Up Wi h cien cene e 0 c n e o lele B SeI r k Rubber Barrels Glass Mattresses Will Soon SoonA Appear Nov Novelties Arc Are Shown at Chemical Exposition NEW YORK New developments dev developments de de- v of the chemical industry in industry industry in- in from rubber re acid barrels to mattresses made of glass were exhibited at Grand Central Palace here herein herein I in the Exposition of Chemical Ind Industries The rubber barrels are the latest ufe safety device for shipping and handling han dung such dangerous chemicals as hydrofluoric acid which quickly quick ly 11 eat Its Ita way through ordinary glass containers The barrels halt half as aa bl big as AI beer kegs will stand 40 pounds to the square Inch Internal Internal Inter Inter- nal pressure and exterior forces of ot from 1000 to 2000 pounds pound without with out injury Mattresses of Glass Glaes Wool The glass mattresses consist of II glass ass wool the finely spun fibers of glass which are packed Into a mattress In place of hair or cotton commonly used Shown by the name lame exhibitor were glass glan ropes Aud ud twine for use where the ma mo will come In contact with chemicals or heat which would destroy de stray stroy ordinary twine Liquid heat beat a Ipe special lal high melting melt ing point chemical was also shown The material Is used In heat treatIng treatIng treat- treat Ing lag steel by dipping It Into a bath of the liquid Gold Sliver Find Use Uee Gold and silver coated tubing or sheet metal for use In chemical Industries where stainless steel and amI other ordinarily non-corrosive non al albye alloys al al- loys bye are aro worthless attracted atten atten- tion Gold-coated Gold tubing can be manu mann manufactured for from 1 to 10 1 the cost of ot a solid gold pipe In fabri fabrication cation a layer of the pipe metal o oa of ofa ofa f a thickness of one half Inch Is soldered sol aol dered to a layer of gold In whatever what what- ever proportion the final thickness of ot the coating Is II desired This heavy beavy thick metallic sandwick sandwich sand wick Is II then col rolled cold twin rolled Into n a thin sheet and the two costly materials costly and Inexpensive retain Inexpensive retain their origInal original inal Ina proportions |
