Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Auto Strop, first model, spring-loaded push slide to release blade, brass, fine knurl, Robert Waits A1 - 1906 to c.1914 Manufacturer: Auto Strop Safety Razor Co., New York and London Type: Auto Strop Country: England Patent: Eng - 190410740(9/29/1904), 190715230(2/6/1907); patent information is inside the blade holder Comment: Handle knurled to within 12 cm of end. Serial number is 154890. Note text variation front and back of blade holder from Auto Strop A1 2. Source: twillard Editors: