エルジン
Their advertising for the year 1871 states that they were the sole agent for American Watch Co., Elgin National Watch Company, Howard Watch Co., Chas. E. Jacot Watches, Carter Sloan &amp; Co. Fine Jewelry, Meriden Britannia Co., and Rogers Brothers silver-plated ware, New Haven Clock Co., and Laders Frary &amp; Clark's cutlery. The firm also imported watches, diamonds, jewelry, solid silverware, cutlery, clocks, and opera glasses, and manufactured fine jewelry. Major lapidary work such as diamond cutting was done on site per promotional pamphlets that survive today. Several initialed gold and silver signed watch cases are known as of the date of writing. These cases are either signed "Levison Bros." or initialed "LB" or similar.