WHAT BECOMES OF OLD BOOTS

Taranaki Daily News, Volume LI, Issue 54, 22 February 1908, Page 3

WHAT BECOMES OF OLD BOOTS

p What le-comes of old boots and shoes ha- hitherto been almost as puzzling a problem as where all the pins go to. The M.lntii n. however, is given iu a trade journal. "Old boots and shoes of leather." the journal says, "are cm up into small pieces, and then are put out for two days in chloride of sulphur, the effect of 'which is to make tinleather very hard and brittle. Wh-t this ik fully effected the material is withdrawn from the action of the chloride of sulphur, washed with water. <|ri -d and ground to powder. II is then mixed wiili~-<iinc substance that will caii-c it lo adhere together, -lu-h a- shellac nv I niln-r resinous material, or even a good glue, and a thick -oliition of strong gum. It is afterward., pressed in'.o 'moulds to form combs, jfcuitons. and a variety of other useful articles.

•■ I'lai-i-ato of pota-h is also wa.le ..lit hi' old leather. H is heated with pearl-ash mill olil iron hoops ill a (Kit. Tlic nitrojieii ami oailinn fnrm rvaniiircn. and (lion unite with (In. iron and potassium. The soluble portions arc dissolved nut. and tin' resulting wilt, a,l.i'd to one of iron, produces (lie wellknown Prussian blue, either f»r dycin:: purposes or as a pigment.