Overview Product Description Dial glass for Truetone D-711, D-930. 8.3" W x 4.75" H x .094" thick (nominal). Note: There were two model D-711s. This is the later model (circa 1938). Product Videos Custom Field Product Reviews Write a Review Write a Review × Truetone D-711, D-930 Dial (Item: DG-173) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *