FIG. 1 is a front, top and side perspective view of a dynamo flashlight; FIG. 2 is a rear, bottom and other side perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a side view thereof; FIG. 6 is the other side view thereof; FIG. 7 is a top view thereof; and, FIG. 8 is a bottom view thereof.