OKEY J. MORRISON,a citizen of the United States, residing at Washington, in the county of Washington and State of Pennsylvania, have invented a v new and useful Rolling-Pin. The object of the invention is to provide a rolling pin having a chamber for the reception of a coo ing medium thereby to maintain the dough or pastry at a sufliciently low temperature toprevent the same from becoming tough when the latter is placed in an oven and baked.