Show NEW SOURCE OF turpentine broo tr in central india to be looked to T for supply of really good quality turpentine ol 01 oil and rosin are already being produced on a commercial scale in india by the distillation of pine rosin A new source ot of supply which though comparatively small may be valuable especially for indian use has now been found in frankincense or this material Is obtained by the natives by making incisions lip IQ the stems ot of Boswel lla serrata a tree widely distributed throughout the dry zone forests of central india the resinous substance which exudes fro from the cuts contain a kind of turpentine a rosin and a gum investigations p if the methods of separating these constituents in a marketable form have been conducted since 1812 1912 by the forest authorities in india in operation cooperation co with the imperial institute sti tute and the results have been published recently lo in a paper by R S pearson forest economist and puran singh chemical adviser at the forest research institute dehra dun the general conclusion reached based on the results of numerous trials Is that the turpentine oil ol 01 Is equal to good quality american turpentine oil |