Britain Safe has a wide generations and histories. There were altogether 5 in the series. The earliers generation bring us all the way back to 125 years ago, and the last generation approximately 85 years ago.
Due to the technology at that time, the earlier generation safes do not have fireproof, the manufacturing of these safes were all using manuel hand works. Screws and bolts were used to made the safes. However, until the 1940s then the technology of "FIRE-PROOF" comes in and all the safes was made Fire-proof. One thing special about Britain safes is that they do not use digital locks..