Architectural schematics display technical structural details for the secure doors and windows within a cell at the Brussels Prison 插畫檔

This technical architectural engraving presents specialized engineering diagrams detailing the precise structural reinforcement and security mechanisms of entryways and windows configured for individual prison cells located in Belgium. Dating from the nineteenth century, the plate features comprehensive elevations, lateral cross-sections, and top-down floor layouts illustrating a heavy wooden paneled door studded with security rivets, an integrated inspection peephole, an advanced lock assembly, and a square food pass hatch. The lower and right-hand sections provide detailed technical drawings of the arched masonry recesses, highlighting a large multi-paned window frame assembly equipped with mechanical opening joints and protective security framing, all meticulously drafted at an official administrative scale of 1:25 to record standardized penal infrastructure of the period.