VTG AAR 1951 Pratt Whitney 700 Railroad Defect Wheel Journal Fillet Gauge Tool. WHEEL DEFECT. WORN COUPLER LIMIT. WORN JOURNAL COLLAR AND JOURNAL FILLET GAGE 1 1/16" TO 15/16". 1951. PARATT & WHITNEY HARTFORD CONN USA 52 700 R-2. Came to me in a set of machinist tools. Good condition with surface scratches and patina from use.