| Effective strength of plate-girder webs in bending | 169 | |
| Effect of impact, provision for | 16 | 17 |
| Effect of weight of traveller on erection stresses | 60 | |
| Effects of changes of temperature | 155 | |
| Elastic limits | 247 | |
| Electric lights for ornamentation | 52 | |
| Electric motors for draw-spans | 201 | |
| Electric railway loads | 223 | |
| Electric railways on highway bridges | 133 | |
| Elementary principles in outlining spans | 50 | 51 |
| Elevated railroads | 91 | |
| Elevated railroads, economy in | 36 | |
| Elevated railroads, ornamentation of | 52 | |
| Elevation of column feet | 27 | |
| Elongation | 247 | |
| End-bearing rollers for draw-spans | 209 | |
| End floor-beams for highway bridges | 218 | |
| End-lifting apparatus for draw-spans | 207 | 211 |
| End posts, bending on | 159 | |
| Ends of channels, trimming | 176 | |
| Engineer | 264 | |
| Engineering practice and architectural ideals, convergence of | 47 | 48 |
| English bridges, curved members in | 20 | |
| Equalizers for draw-spans | 125 | 201 |
| Equivalent live loads for elevated railroads | 92 | |
| Equivalent live loads for railroad bridges | 151 | |
| Equivalent twisting moment on shafting | 206 | |
| Equivalent uniform load method | 265 | 268 |
| Equivalent uniformly distributed live loads for highway bridges | 223 | |
| Erasures on tracings | 343 | 344 |
| Erection | 261 | |
| Erection of arches | 79 | 80 |
| Erection stresses in cantilever bridges | 61 | |
| Errors for graphics, limits of | 335 | |
| Errors in designing | 5 | 12 |
| Errors in triangles | 323 | |
| Errors in triangulation | 317 | |
| Establishment of first principles | 12 | |
| Establishment of formulae for impact | 7 | 8 |
| Estimating weights of details, liberal allowance for | 28 | |
| European practice in aesthetic designing | 54 | |
| Excavation | 291 | |
| Excessive expansion joints in elevated railroads | 98 | |
| Excessive strength, detailing of members having | 23 | |