Ellis Medical and Historical Collection, 1851

**Extraction & Synthesis for `@file_pinax` (pinax.json)**  

```cheimarros
# --- Core metadata extracted from the PINAX record ---
@file_pinax -> describes -> @ellis_collection_1851:concept {
    title: "Ellis Medical and Historical Collection, 1851",
    language: "en",
    created: @date_1851,
    subjects: [
        @medical_treatment:concept,
        @disease:concept,
        @health:concept,
        @nutrition:concept,
        @therapy:concept,
        @high_resolution_images:concept,
        @historical_images:concept,
        @nineteenth_century_medicine:concept
    ],
    description: "A collection containing medical treatment texts and high‑resolution images from the 1851 Ellis Collection, discussing various diseases, their treatments, and emphasizing the importance of a healthy diet, exercise, and mental well‑being."
}
@file_pinax -> part_of -> @ellis_collection_1851:concept
@file_pinax -> created_by -> @ellis:person
@file_pinax -> created_at -> @drexel_university:organization
@file_pinax -> access_url -> "PLACEHOLDER"

# --- Linking the PINAX‑derived collection to the broader Ellis corpus (cross‑subdirectory synthesis) ---
@ellis_collection:document -> equivalent_to -> @ellis_collection_1851:concept
@ellis_collection:document -> includes -> @medical_treatment_content:document
@ellis_collection:document -> includes -> @high_resolution_images:concept

# --- Subject concepts (newly defined for synthesis) ---
@medical_treatment:concept {description: "Texts describing therapeutic approaches to disease in the 19th century"}
@disease:concept {description: "Pathological conditions discussed in the Ellis collection"}
@health:concept {description: "Overall well‑being topics addressed in the collection"}
@nutrition:concept {description: "Dietary advice and food‑related health guidance"}
@therapy:concept {description: "Methods of treatment and care"}
@high_resolution_images:concept {description: "High‑resolution photographic images compiled by Ellis in 1851"}
@historical_images:concept {description: "Historical photographic documentation of 19th‑century medical practice"}
@nineteenth_century_medicine:concept {description: "Medical knowledge and practice in the 1800s"}

# --- Reinforcing the institutional context ---
@drexel_university:organization -> holds -> @ellis_collection_1851:concept
@drexel_university:organization -> holds -> @ellis_collection:document
@philadelphia:place -> location_of -> @drexel_university:organization
```