cannot, at least not directly, swell the aggregate industrial equipment or enhance the aggregate productivity of industry ; for the items which here serve as collateral are already previously in use in industry to the extent to which they can be used. Prop-
< This takes account of advances mide by other lenders than the regular banking houses who exclude mortgages on real esUte from their ooIUleral ; iiicb, e.g., as the long time advances (InvestmeDti in ■ecurlliea) made b; SBvinjj^banki), insurance oompauies, minor private and mortgage banks, private lendeni, etc.