# Ink composition varies across the library; some inks contain lead, which changes X-ray contrast.

> Ink composition varies across the library; some inks contain lead, which changes X-ray contrast.

Source: https://mysteriesdept.com/mysteries/herculaneum-papyri/evidence/EVD0D367XY44HKS/ink-composition-varies-across-the-library-some-inks-contain  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Herculaneum Papyri and the Vesuvius Challenge](https://mysteriesdept.com/mysteries/herculaneum-papyri)Evidence

Evidence · Herculaneum Papyri and the Vesuvius Challenge

# Ink composition varies across the library; some inks contain lead, which changes X-ray contrast.

Ink composition varies across the library; some inks contain lead, which changes X-ray contrast.

Supported0

## What it bears on 1 answer

[The method will read rolls that are well preserved and carry favourable ink, but heavily compressed, fused or…](https://mysteriesdept.com/mysteries/herculaneum-papyri/answers/ANS0D367XPA1PNQ/the-method-will-read-rolls-that-are-well-preserved-and-carry)

Still possible

FOR

## Cite it

```
Mysteries Department. (2026). Ink composition varies across the library; some inks contain lead, which changes X-ray contrast. [Evidence EVD0D367XY44HKS]. https://mysteriesdept.com/r/EVD0D367XY44HKS
```

Key

**EVD** 0D367XY44HKS

Kind

Evidence

Tier

Supported

Version

1

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/EVD0D367XY44HKS)
