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: Bay K letter/paper depository section
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.
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Drawing notation: BLACKENED STEEL [BRACKET]
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Drawing notation: GALVANIZED IRON
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Drawing notation: BACKS TO BE MADE OF HINGED [remainder unresolved]
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Drawing notation: LETTER SHUTE
Source-local drawing evidence only; installed quantity, accepted world placement and physical geometry not established.
Lower Section D leader points to supporting bracket. This noun supersedes no prior record; it cautions that earlier BACKS/HINGED wording misidentifies this locus. Stock size remains unresolved. Installed instance mapping, world placement, companion/revision authority and whole-building acceptance remain unresolved.
Drawing notation: BRACKETS TO BE
Lower Section D leader points to supporting bracket. This noun supersedes no prior record; it cautions that earlier BACKS/HINGED wording misidentifies this locus. Stock size remains unresolved. Installed instance mapping, world placement, companion/revision authority and whole-building acceptance remain unresolved.
Same lower Section D bracket-stock note. Only securely readable joinery clause retained; the intervening stock dimensions are unresolved. No full-note closure proposed for old access-back questions. Installed instance mapping, world placement, companion/revision authority and whole-building acceptance remain unresolved.
Drawing notation: STOCK & TO BE / PROPERLY MORTISED / & TENONED
Same lower Section D bracket-stock note. Only securely readable joinery clause retained; the intervening stock dimensions are unresolved. No full-note closure proposed for old access-back questions. Installed instance mapping, world placement, companion/revision authority and whole-building acceptance remain unresolved.
Source-local specification only; installed placement, quantity and physical geometry remain unestablished.
Drawing notation: GALV. METAL FULL LENGTH OF TOP TABLE
Source-local specification only; installed placement, quantity and physical geometry remain unestablished.
Source-local specification only; installed placement, quantity and physical geometry remain unestablished.
Drawing notation: GALV. IRON PARTITIONS BETWEEN DOORS ... INTO
Source-local specification only; installed placement, quantity and physical geometry remain unestablished.
Source-local specification only; installed placement, quantity and physical geometry remain unestablished.
Drawing notation: BACKS TO BE MADE OF HINGED ... STOCK TO TAKE PROPERLY ... CATCHES & HINGES
Source-local specification only; installed placement, quantity and physical geometry remain unestablished.
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.