Manufacturer
Brown & Sharpe Mfg. Co.Notes
1. B & S No. 748 Patent Pending; 2. B & S No. 746 Vest Pocket Speed Indicator 2-9-1927; Early Style B & S No. 748.
No. 748 Early Style 1911-1920 Spalding Pat. #951,491
No. 748 1923-1951 Parker Pat. Nov. 28, 1922 #1,437,352
No. 746 Vest Pocket 1924-1951