| Plate | Description — Plates 253-288 | Plate Added |
|---|
| Plate 253 | Wiring the point motors through the distribution center, Part 31: a complete end-to-end circuit for a point motor | NOV 2003 |
| Plate 254 | Dividing the equipment wiring and the power-and-control wiring | NOV 2003 |
| Plate 255 | "Separating the powers" | NOV 2003 |
| Plate 256 | Creating a power-and-control center | NOV 2003 |
| Plate 257 | The R965 is now exclusively a source of traction current | NOV 2003 |
| Plate 258 | The Railpower 1440 is acting exclusively as a source of accessories current | NOV 2003 |
| Plate 259 | Providing a physical channel for the control wires | NOV 2003 |
| Plate 260 | Front view of a "signal box" to house the power and control center | NOV 2003 |
| Plate 261 | Rear view and Interior of the power-and-control "signal box" | NOV 2003 |
| Plate 262 | A computer track diagram based upon a survey | NOV 2003 |
| Plate 263 | A revised track plan | NOV 2003 |
| Plate 264 | The designer is inspired by the sight of a real lock-canal | NOV 2003 |
| Plate 265 | A design for a two-level lock-controlled barge canal | NOV 2003 |
| Plate 266 | Concept-3, Part 1: a baseboard accurate to the quarter-inch | NOV 2003 |
| Plate 267 | Concept-3, Part 2: we do not reproduce all the track in the layout | NOV 2003 |
| Plate 268 | Concept-3, Part 3: how track is accurately reproduced in one-twelfth scale | NOV 2003 |
| Plate 269 | Concept-3, Part 4: first-radius curves are added to the one-twelfth scale track template | NOV 2003 |
| Plate 270 | Concept-3, Part 5: a closer look at the one-twelfth scale track template | NOV 2003 |
| Plate 271 | Concept-3, Part 6: a completed draft for the entire proposed embankment level | NOV 2003 |
| Plate 272 | Concept-3, Part 7: a field-survey of the embankment-level roadbed | NOV 2003 |
| Plate 273 | Concept-3, Part 8: embankment-level roadbed and track ready for mounting | NOV 2003 |
| Plate 274 | Concept-3, Part 9: the embankment-level roadbed has been mounted on the one-twelfth scale baseboard | NOV 2003 |
| Plate 275 | Concept-3, Part 10: Concept-3 proudly on display, but the designer is not really happy | NOV 2003 |
| Plate 276 | Concept-3, Part 11: the builder prepares for a survey of the upper-level roadbed | NOV 2003 |
| Plate 277 | Concept-3, Part 12: a field-survey of the upper-level roadbed | NOV 2003 |
| Plate 278 | Concept-3, Part 13: we re-examine the "footprint" template | NOV 2003 |
| Plate 279 | Concept-3, Part 14: the positions of upper-level columns are marked on the bottom of the upper-level roadbed | NOV 2003 |
| Plate 280 | Concept-3, Part 15: the upper-level roadbed standing upon five spacers | NOV 2003 |
| Plate 281 | Concept-3, Part 16: the removable upper level has been placed upon Concept-3 | NOV 2003 |
| Plate 282 | Concept-3, Part 17: Concept-3 resting upon the actual upper level at the north face | NOV 2003 |
| Plate 283 | Concept-3, Part 18: the spurs of the locomotive service yard are correctly aligned | NOV 2003 |
| Plate 284 | A "line-up" of all our one-twelfth models | NOV 2003 |
| Plate 285 | The builder decides to survey the gradient roadbed | DEC 2003 |
| Plate 286 | The completed survey diagram for the outer-loop gradient | DEC 2003 |
| Plate 287 | The outer-loop gradient has been attached to the upper-level component of Concept-3 | DEC 2003 |
| Plate 288 | Concept-3 is fully up-to-date with an upper level, an outer-loop gradient, and an embankment level | DEC 2003 |