An Experimental Research to Increase the Protection of Safes: Against Fire, Dampness, Rust and Frost (Classic Reprint)

How science improves safety for your safe and its contents. This edition summarizes experiments that aimed to protect books and papers from fire, dampness, rust, and frost. It explains how a water-filled filling can absorb heat, resist cracking, and keep the interior chamber dry even under high temperatures.

In plain terms, you’ll see how different fillings behave under heat—how water turns to vapor, how the safe expands safely when frozen, and how designs limit moisture from reaching the contents. The text covers practical results from several compositions and real-world testing with large-scale experiments.

• How vaporization and water content increase fire protection without weakening the safe’s shell


• Compared results for gypsum, cement, plaster, alum, and other fillings


• How a safe design can prevent moisture from entering the interior chamber


• Implications for interior space, weight, and cost when using high-protection fillings

Ideal for readers interested in historical engineering experiments and practical fireproofing.