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)Object: Lookout section metal observation unit and hinged frame
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.
0.1875 in
Leader names thickness of the metal observation unit in this section, not glass thickness.
Drawing notation: 3/16" METAL OBS. UNIT
Leader names thickness of the metal observation unit in this section, not glass thickness.
5.25 in
Local horizontal witness from frame line to inner wall/observation-unit face shown in section; rough versus finished face and installed placement remain unaccepted.
Drawing notation: 5¼"
Local horizontal witness from frame line to inner wall/observation-unit face shown in section; rough versus finished face and installed placement remain unaccepted.
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.