Ratner Safe Co
of 51 Moorgate Street, London, EC
1889 Company established by Daniel Rowlinson Ratcliff who had been a partner in the firm of Thomas Milner and Son, safe makers, with his son William Milner Ratcliff and John M. Horner.
1896 Incorporated as a limited company.
1914 Manufacturers of safes, strong rooms and strong room doors, bankers' engineers. Specialities: Ratner safes, bent at all twelve corners out of the solid plate. This principle of construction was perfected in 1900. Patent obtained in 1909 for safe doors and rooms constructed to resist oxy-acetyline blowpipe. All thief resisting safes are fitted with drill-proof doors and interchangeable key lock invented by the company in 1901. Thousands of keys will lock this lock but it can be opened only by the one which locked it. Employees 200. [1]