Adds a concrete physical control point to the architectural claim: maturation infrastructure required ongoing structural observation as well as barrel storage.
The caption presents a small surviving instrument as evidence of routine warehouse-control practice.
Peachee describes hanging warehouse plumb bobs as a means of observing structural alignment. A plumb bob indicates vertical alignment; it is not a blanket certificate of structural safety.
PDF screen 113
PDF screen 112
Photographs: George T. Stagg Warehouse B
2026-09-29: main text/captions read across 274 screens; all pages visually surveyed and 22 enlarged details inspected. This record is bounded to its cited observation or source assertion, not independent historical/engineering corroboration. Whole-source full review remains open for embedded fine print. Photograph/caption coverage uses PDF screens 112–113, not printed pagination.
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