Broadway first-floor sash jamb detail
Research representation: none. Architectural checks: pending.
First floor · Original mark: SECTION THRU JAMB 1ST FL SASH
Source-local lower-story northwest-corner control; no wall-face world endpoints.
2 recorded properties
Still to extract or check- Unique sash opening ID
- Jamb hand and world station
- Complete layer and member profiles
- Meaning of grille-like linework
- Operating sash and hardware
- Opening-to-wall boundary correspondence