The building's west wing suffered a fire in 1877, destroying some 87,000 patent models; it was restored by Adolf Cluss, 1877–1885, in the style he termed "modern Renaissance".
A devastating blaze struck the west wing of the building in 1877, incinerating around 87,000 patent models. It was subsequently reconstructed by Adolf Cluss from 1877 to 1885, characterized by his distinctive "modern Renaissance" style.