| Referenziert in: Chubb, George Hayter: Protection from Fire and Thieves including the construction of locks, safes, strong-rooms, and fireproof buildings; burglary, and the means of preventing it; fire, its detection, prevention, and extinction; etc. also a complete list of patents for locks and safes; London, 1875. | | Referenziert in: Chubb, George Hayter: Protection from Fire and Thieves including the construction of locks, safes, strong-rooms, and fireproof buildings; burglary, and the means of preventing it; fire, its detection, prevention, and extinction; etc. also a complete list of patents for locks and safes; London, 1875. |
| ==== GB190111279 vom 1. Juni 1891 ([https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf&docid=GB000190111279A Patentschrift]) ==== | | ==== GB190111279 vom 1. Juni 1891 ([https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf&docid=GB000190111279A Patentschrift]) ==== |