Voynich Comparator | Wellcome MS.335: When a Handwritten Medical Book Copied the Printed Herbarius Latinus

The history of books is usually told as an arrow.

Manuscript.

Then printing.

Hand copying gives way to reproducible type.

One technology replaces another.

Wellcome MS.335 breaks that arrow.

Made around 1490, probably in France, MS.335 is a narrow handwritten medical and devotional compendium. It contains material on urine, plague, prayer, pharmacy, surgery, recipes and a long illustrated herbal.

The herbal appears to have been copied—text and images—from a printed Herbarius Latinus, first published in 1484.

Print did not simply replace manuscript.

A reader took printed knowledge and brought it back into handwriting.

Then combined it with the rest of a personal medical world.

MS.335 is a documented re-hosting control: printed herbal → handwritten working book → new mixture of medicine, prayer, pharmacy and personal use.

Quick Read

Wellcome MS.335 dates to about 1490 and was probably written in France.
It survives in its original worn vellum binding.
Its format is unusually narrow, about 21.5 × 7.5 cm, consistent with a portable working book.
It combines Latin and French material.
Contents include urine, plague, prayers, recipes, a large herbal, pharmacy, health regimen, surgery and other medical excerpts.
The herbal describes 143 plants, with 116 watercolour illustrations according to the Wellcome record.
Research on the manuscript concludes that the herbal text and illustrations appear to have been copied from a printed Herbarius Latinus.
The Herbarius Latinus was first printed in 1484 and quickly circulated in multiple editions.
The manuscript therefore demonstrates print-to-manuscript knowledge transfer.
This does not bear directly on Voynich chronology; the Voynich parchment predates the printed herbal. The value is methodological: transmission direction and host format must be demonstrated, not assumed.

Comparator Firewall

MS.335 is later than the Voynich parchment window. It cannot be a Voynich source. It is a control for how medical information can move between media and be customised during re-hosting.

This chronological firewall is essential.

A good comparator does not need to be a possible ancestor.

It can test a mechanism.

The Manuscript Is Small Because Its Job Is Different

MS.335 is not a monumental display book.

The Wellcome Collection describes a tall, narrow volume with small cursive writing, a worn original vellum binding and a heterogeneous mixture of texts.

Alice Laforêt interprets it as close to a pocket book: portable, useful and probably assembled around the needs and interests of its owner.

This gives the comparator programme another axis.

Not every illustrated medical manuscript is designed for display.

Some are designed to travel with a person.

The Voynich is larger and physically very different, but the principle remains important: page architecture can be driven by use case.

Medicine and Prayer Share the Same Physical Book

MS.335 alternates medical and devotional material.

Plague texts.

Prayers.

Recipes.

Herbal entries.

Pharmacy.

Surgery.

This mixture is not random from the viewpoint of the owner’s life.

Health, epidemic danger, religious protection and practical remedy could occupy one personal system.

This is another warning against assuming that a manuscript’s visual or thematic diversity must correspond to separate modern disciplines.

The Herbal Was Apparently Copied From Print

This is the crucial control.

The Herbarius Latinus was first printed in 1484. The National Library of Medicine describes it as a highly successful early printed herbal, with eleven editions before 1501.

MS.335 was made only a few years later.

Comparison indicates that both the herbal text and illustrations in the manuscript derive from the printed work.

That gives us a known direction of travel:

print → handwritten copy → customised manuscript host

The old story—manuscript becomes print—is therefore incomplete.

Why Copy a Printed Book by Hand?

Printing solves one problem: reproducibility.

It does not solve every user problem.

A handwritten book can be selective.

Portable.

Reordered.

Combined with private material.

Illustrated differently.

Annotated without regard to a publisher’s architecture.

MS.335 therefore demonstrates that a newer information technology does not eliminate the advantages of an older interface.

A user can recompile a mass-produced source into a personal instrument.

The Images Become Less Rigid Than the Woodcuts

Laforêt’s comparison of the manuscript herbal with the printed Herbarius Latinus notes that hand-drawn images need not preserve the mechanical rigidity of the woodcut.

This gives us a beautiful real-world transformation control.

A copied image can become more lifelike.

Copying does not always degrade naturalism.

A later hand can reinterpret a schematic exemplar.

This matters enormously for Voynich plant comparisons.

If one image is more naturalistic than another, direction of descent cannot be inferred from naturalism alone.

A descendant image can be more observationally convincing than its exemplar.

A Known Exemplar Lets Us Measure Transformation Instead of Guess It

For Voynich research, this is gold.

Take a printed plant woodcut and its manuscript descendant.

Measure:

root topology;
stem angle;
leaf count;
leaf orientation;
flower count;
relative proportions;
colour added by the manuscript artist;
features omitted;
features newly invented;
caption and text changes.

Now we have a transformation budget from a known source relationship.

A proposed Voynich source relation should not receive unlimited freedom beyond what real copying produces.

The Host Changes the Meaning of the Collection

In the printed Herbarius Latinus, the herbal is the book.

In MS.335, the herbal becomes one large module inside a personal medical-devotional compendium.

Same source material.

Different host.

Different neighbouring information.

Different likely use.

This is the same re-hosting principle seen earlier in Masson, Sloane and Roccabonella—but here the media boundary itself changes.

Transmission Direction Must Be Demonstrated

Voynich discussions often assume that the visually simpler image must be older, or that a handwritten image must precede a printed one.

MS.335 makes those shortcuts unsafe.

The direction is known here because chronology and source correspondence constrain it.

Without those constraints, style alone is insufficient.

For Voynich, any descent proposal should therefore specify:

source date;
destination date;
intermediate states;
which features transfer;
which features transform;
why the proposed direction is more likely than the reverse or common ancestry.

The Working-Book Model Also Changes What “Messy” Means

A heterogeneous manuscript can look untidy when judged against a deluxe commission.

MS.335 suggests another interpretation.

Heterogeneity can be functional.

A user assembles what matters.

Prayer next to plague is not a cataloguing failure if both answer the same existential problem.

Herbal next to pharmacy is not thematic drift if one feeds the other.

This gives the Voynich comparator programme a reason to distinguish:

messy because production failed from heterogeneous because the user’s task was broader than our category.

The Late Date Makes This a Method Control, Not a Provenance Control

The Voynich parchment was produced before the Herbarius Latinus existed in print.

Therefore no honest argument should use MS.335 to claim Voynich descent from that printed book.

Its job is different.

It proves that:

information can move from new media back into old media;
copiers can improve or alter images;
a source can be selectively embedded in a new host;
book function can change while source ancestry remains demonstrable.

Those are general transmission mechanisms.

What MS.335 Can Legitimately Teach Voynich Research

Manuscript and print cultures overlap rather than replace one another cleanly.
Printed medical knowledge could be copied back into a manuscript.
Hand copying can modify and sometimes naturalise printed images.
A herbal can be re-hosted inside a larger personal medical system.
Portable working books may mix medicine, devotion, pharmacy and recipes.
Known source-copy pairs can provide empirical transformation budgets.
Visual naturalism does not establish copying direction.
Host function and source ancestry are separate variables.

What It Does Not Prove

that Voynich was copied from a printed herbal;
that the Voynich was produced after 1484;
that every working manuscript is medical;
that devotional content once existed in Voynich;
that image differences can always be explained by freehand copying;
that later print-manuscript behaviour determines early-fifteenth-century provenance.

A Print-to-Manuscript Transformation Test

Align each MS.335 herbal image with the corresponding Herbarius Latinus woodcut where possible.
Encode plant topology and page geometry.
Measure omissions and additions.
Measure whether hand copying increases naturalism or merely changes style.
Compare text shortening and expansion independently from image change.
Estimate copier-specific transformation distributions.
Use those distributions as a control for proposed medieval image-copy relationships.
Require Voynich source hypotheses to stay within historically observed transformation envelopes unless independent evidence justifies more freedom.

Student Lens: New Technology Does Not Always Replace the Old

Primary: print a worksheet, then copy only the useful parts into a personal notebook. The notebook is newer but handwritten.

Lower Secondary: compare a published chart with a student’s redrawn version and identify which information survives.

Upper Secondary: separate chronological age, medium and source direction. Newer media can feed older media.

JC and adult readers: model re-hosting as an information transformation in which source medium, destination medium, content selection and receiver use are independent parameters.

Research Sources

Continue the Comparator Route

The Final Idea

Printing arrived.

The manuscript did not die.

Someone could still take a printed herbal, copy it by hand, redraw its plants, place it beside plague advice, prayer, pharmacy and surgery, and create a book better fitted to one life.

That is what transmission really looks like.

Not a straight line.

A network of re-hosting decisions.

For Voynich research, the lesson is not that print explains the manuscript. It is that information ancestry, visual ancestry, medium and book function can travel on different tracks—and we have to prove which track we are following.