B-1940_mathematicaltableproject.png B-1941 tabulatorsThumbnailsB-1924 WashingtonDC Bonus Bureau Computing Division - copieB-1941 tabulatorsThumbnailsB-1924 WashingtonDC Bonus Bureau Computing Division - copieB-1941 tabulatorsThumbnailsB-1924 WashingtonDC Bonus Bureau Computing Division - copieB-1941 tabulatorsThumbnailsB-1924 WashingtonDC Bonus Bureau Computing Division - copieB-1941 tabulatorsThumbnailsB-1924 WashingtonDC Bonus Bureau Computing Division - copieB-1941 tabulatorsThumbnailsB-1924 WashingtonDC Bonus Bureau Computing Division - copie