A vintage 1960s-era technical illustration showing a massive IBM mainframe computer room with floor-to-ceiling reel-to-reel tape drives and blinking console panels in muted olive greens, warm oranges, and cream colors. In the foreground, a cross-section diagram reveals multiple cylindrical storage drums being combined through flowing geometric tubes into a single larger unified cylinder, visualizing the concept of pooling storage. The scene has the aesthetic of mid-century technical manuals with halftone dot patterns, subtle paper texture, and retro-futuristic optimism. Tiny uniformed technicians in lab coats stand near the equipment for scale, dwarfed by the towering machinery. Warm tungsten lighting casts long shadows across the checkered floor tiles.