Broadway second-story steel-sash and plate-glass opening study
Research representation: none. Architectural checks: pending.
Second floor · Original mark: 2/10
Source-local IMG_1246 control; no accepted physical mesh or building placement.
Source relationships · not a verified physical connection
- part of (observed, verified): Broadway lower-story elevation and wall-section register
6 recorded properties
Still to extract or check- Meaning of 2/10 mark
- Opening width and height
- Frame and mullion profiles
- Operable-leaf pattern
- Glass thickness
- Jamb/head/sill attachment
- World opening identity and station