Every dimension belongs to an object and a drawing. Original room numbers, object marks, printed values and source regions stay together—even when the answer is unresolved.
464 of 464 photographs have extraction records, containing 27,517 properties. Initial image review is not exhaustive extraction: 0 photographs have passed the full-region check. 66 numbered sheets are reconciled. Modeling and architectural registration are separate work; these counts do not establish a complete building.
Download the structured register (JSON)Sheet W257
Extraction: Reviewed · extraction partial. Major room/component identities, enlarged bench plan controls, wall/window identity, ceiling-system identity and finish notes reviewed. This is not a complete sheet transcription. Partial timed visual review: Source-local design detail only; numeric controls refer to depicted endpoints, no world placement or installed quantity established.
Highlighted reading: selected vertical-grain white oak. Bounded W257 Room 602 component inventory; no source-to-building transform is accepted.
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Scroll or pinch to inspect this drawing. The gold outline locates the selected reading. Archival drawing photograph · Oregon Historical Society research collections.
Open source image separately ↗Printed values, calculations, image traces and observed counts are different kinds of evidence. “Verified” applies to the specific reading—not to the whole room or model.
Drawing notation: WALLS, PILASTERS, COLUMNS & CORNICE OF SELECTED VERTICAL GRAIN WHITE OAK
Bounded W257 Room 602 component inventory; no source-to-building transform is accepted.