Girder Small 292×320 Medium 584×640 Large 934×1024 Download TIFF Original 2189×2400 | (742.2 KB) Description "Girders (in cross-section). a to l, wrought-iron girders; m to z, cast-iron girders; aa, box-girder; bb, compound I-girder; cc, coumpound beam girder; dd, I-girder." -Whitney, 1911 Keywords beam, box girder, cast iron girder, compound beam, girder, I-girder, various girders, wrought iron girder Galleries Iron and Steel Industry Source: William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)