"Darra Compass Corrector and Method" compass corrector W. T. Darrach Co. 1961 2002.42.1 Viewsafety negative Mitchell, Carleton 1949 1996.31.3700 ViewScrewdriver screwdriver circa 1961 2002.42.3 Viewprinting plate Sherman, C. R. & Co. 1981.64.28 ViewOfficer and a bearing compass, 1936 black-and -white negative Rosenfeld and Sons 1936 1984.187.73573F ViewCompass corrector instruction sheet instruction sheet W. T. Darrach Co. 1961 2002.42.4 Viewdrawing (print?) 1947.1748 ViewOfficer using a sighting compass, 1936 black-and -white negative Rosenfeld and Sons 1936 1984.187.73573FA ViewDarra Compass Corrector Lid compass corrector lid W. T. Darrach Co. 1961 2002.42.2 ViewMARWALARN, radio and compass, 1949 black-and -white negative Rosenfeld and Sons 1949-06-15 1984.187.63336 View