Category:Design of the steel skeleton for an office building (1912)
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Media in category "Design of the steel skeleton for an office building (1912)"
The following 3 files are in this category, out of 3 total.
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Design of the steel skeleton for an office building (1912) (14576825160).jpg 2,022 × 3,034; 744 KB
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Design of the steel skeleton for an office building (1912) (14740519236).jpg 2,027 × 3,055; 747 KB
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Design of the steel skeleton for an office building (1912) (14740524046).jpg 2,032 × 3,054; 677 KB