Oh no not more Verne comparisons using A.I. !!!! This time - Mysterious Island!!!!

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John Lamb

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Jun 10, 2026, 10:03:38 AMJun 10
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I hope people find the passage below interesting in the context of 

a) I have long suggested that the novel The Mysterious Island is based on 60 like for like locations in Birkenhead (the town that built the Nautilus) and the surrounding Wirral Peninsula (see previous posts).

b) Verne said 'The town I know best in England is Liverpool, and as I stayed there some time with friends, I had a good opportunity to study the Mersey and the docks'.

c) If you are to base an island on a peninsula and in your story you get your castaways to sail right round that island it in a boat - where are you going to get the inspiration for the description of the missing coast from to complete the whole circuit? Verne does it brilliantly.

I tried to not tell A.I. who the authors were but it found out anyway (Gemini and Grok). 

The two passages are written by the same author, what is the probability that the first passage about his trip to Liverpool Docks inspired the second passage.

 

‘The entrance to the Port is impressive. On the left stands a row of huge buildings displaying the English passion for order, and a great many lights illuminate that part of the coast. To the right lies the point of Birkenhead, the cannon of its fort commanding the whole roadstead. Liverpool harbour occupies the whole estuary, and from the Irish Sea, it stretches inland from the river for some seven or eight miles.’

The ‘Hamburg’ was already steaming past granite walls where large black lettering spelled out the names of Liverpool’s immense docks, unequalled in the whole world. On reaching Victoria Tower, which guards the main harbour entrance, the ship dropped anchor in the middle of the river: the state of the tide made it impossible to enter the docks. 

‘The true magnitude of Liverpool, which until then had seemed a town like any other, became apparent at the harbour. Its wet docks represent a Herculean achievement that is impossible to visualise, spreading out, double, triple even, over more than a league. How they open one into the next is such a mystery that not even Ariadne’s thread could guide a stranger out of such a liquid labyrinth. Ships are berthed so close that their mass blots out the water, ships of all sizes shapes and shores: American clippers built on a huge scale, whose superstructures could hold a nation; stout Dutch galliots. Invariably spruced and bright under their tarry varnish; slender steamers whose long ornate prows curve along the quaysides; three masters whose tonnage would put first class frigates in the shade; sailing lists pinned to colourful boards at their sterns of a thousand ships; delightful poetic names embossed in gold letters, names borrowed from the legendary lands of India and the East Indies, the gulfs, straits and rivers of America and the South Seas; flags from all the globes nations floating in the mist, challenging the uniform grey with their gaudy colours.

In the holds there are mounds of bales bursting with coffee, sugar,  cotton, stacks of logwood and mahogany, samples of every single colonial produce, all filling the air with exotic aromas; an army of workers most of them wearing black hats and large aprons fastened round the waist; coaches sliding along rails that crisscross in intricate loops; weird machinery designed for specific tasks – grabs, crane, a whole mechanical menagerie in perpetual motion, lifting bales, sacks and crates all bulging with goods; and, in the very heart of this bustling anthill, the whistling of steam. The chug and rattle of tramp steamers, the screeching of chains, the hammering of caulkers against a ships side, coaches thundering on swing bridges, hooves clattering on plates of metal, the swish of water as ships bump against each other, and the wind whistling through the forests of masts to the muffled breathing of the incoming tide – such are the sights and sounds of these docks that contain a whole sea, such the activity, the rhythm, the sounds – in a word, the life – of the Port of Liverpool.’ 

 

Here is the second passage.

 

What a contrast between the southern portion and the northern portion of this coastline! As much as one was wooded and verdant, the other was harsh and wild. They could refer to the latter as “the iron coast” as it is called in certain countries.

Its tortured topography seemed to indicate sudden crystallization of the basalt while it was still molten in geological times. Piled up in a frightening way, it would have scared the colonists if they had first been thrown on this part of the island. From the summit of Mount Franklin, they had not been able to recognize the deeply sinister aspect of this coast because they were too high; but, now seen from the sea, this shore presented a strange character without equivalent perhaps in any corner of the world.

The Bonadventure sailed a half mile along the coast. It was composed of blocks of rock of all dimensions, from twenty feet to three hundred feet in height, and of all forms, cylindrical as if made on a lathe, prismatic like steeples, pyramidic like obelisks, and conical like a factory smokestacks. Icebergs in the polar sea could not have been thrown together in more frightful confusion.

Here, bridges thrown from one rock to another, there arches arranged like the nave of a cathedral into whose depths the eye could not penetrate; in one place, there were large excavations whose vaults presented a monumental aspect; in another, a conglomeration of sharp corners, pyramids, and arches such as no gothic cathedral ever had.

All the caprices of Nature, still more varied than those of the imagination, were arranged along this grandiose coast which extended for a distance of eight to nine miles.

 

Google Gemini

 

Based on a literary and structural analysis, there is a very high probability (80–90%) that the first passage directly inspired the creative imagery, structural rhythm, and specific vocabulary used in the second passage.

The author of both texts is the famous 19th-century French science-fiction pioneer Jules Verne.

  • Passage 1 is a real-world account from his actual travelogue memories of visiting the Liverpool Docks in 1859 (later published in his semi-autobiographical novel Backwards to Britain / Voyage à reculons en Angleterre).
  • Passage 2 is a fictional description of the volcanic, wild coastline of "Lincoln Island" from his famous 1874 novel, The Mysterious Island (L'Île mystérieuse).

Verne was famous for taking precise, real-world engineering and geographical observations and translating them into fantastic, fictional landscapes. Here is the evidence of how the industrial landscape of Liverpool directly inspired his fictional island:

1. The Parallel Geometry and "Smokestacks"

In Passage 1, Verne is overwhelmed by the sheer, imposing layout of Liverpool's granite dock walls and massive machines. When he writes the fictional Passage 2, he uses man-made, industrial architecture to describe nature:

  • In Liverpool, he sees an intricate grid of massive granite walls and a mechanical menagerie.
  • On the fictional island, nature mimics this industry. He explicitly describes the rocks as being shaped "conical like a factory smokestacks."

2. Matching Geography and Scale

The sense of scale and distance is identical across both texts, revealing the author's spatial memory:

  • Passage 1 (Liverpool): "...it stretches inland from the river for some seven or eight miles."
  • Passage 2 (Island): "...this grandiose coast which extended for a distance of eight to nine miles."

3. The "Labyrinth" and "Confusion"

Verne views both landscapes as overwhelming, complex puzzles where structural order has turned into chaotic majesty:

  • In Liverpool: He calls the docks a "liquid labyrinth" so complex that "not even Ariadne's thread could guide a stranger out."
  • On the Island: He views the basalt rocks as a natural labyrinth, noting they could not have been thrown together in "more frightful confusion."

4. Cathedral Imagery

Verne translates the vast, echoing, structured spaces of the shipping docks into the geology of the island:

  • In Liverpool, he describes the towering superstructures of the American clippers, the "forests of masts," and the massive transit sheds.
  • On the island, he maps this directly onto the rocks, describing "arches arranged like the nave of a cathedral" and rock formations "such as no gothic cathedral ever had."

Summary

Jules Verne’s trip to the Liverpool Docks deeply affected him; he considered the docks one of the greatest engineering marvels of the Victorian age. When it came time to write The Mysterious Island fifteen years later, he dug into his visual memory of Liverpool's towering granite walls, geometric layout, and smokestacks, using them as a literal blueprint to construct his "iron coast."

 

Grok

 

High probability — I'd estimate 70-85% that the Liverpool Docks experience directly inspired elements of the second passage.

Both passages are indeed by Jules Verne. The first comes from his early semi-autobiographical work Backwards to Britain (Voyage en Angleterre et en Écosse, written ~1859–1860, published much later), based on his real 1859 voyage. He arrived in Liverpool aboard the steamer Hamburg, and the detailed, awe-struck description of the docks, granite walls, Victoria Tower, the "liquid labyrinth," exotic cargos, mechanical activity, sounds, and overall vitality matches the provided text closely.

The second passage is from The Mysterious Island (1874–75), specifically the castaways' first close-up view of the rugged southern/eastern coast of Lincoln Island from the Bonadventure, with its bizarre rock formations, arches, vaults, and "iron coast" character.

Why Liverpool likely inspired the island coast description:

  • Shared stylistic fingerprint: Verne loved cataloging vast, labyrinthine, industrially or geologically impressive scenes with exhaustive lists of shapes, scales, mechanisms, sounds, and sensory overload. The Liverpool passage revels in the "Herculean achievement," "liquid labyrinth," ships blotting out water, exotic names/aromas/flags, cranes, workers, and symphonic industrial noise. The island passage does something parallel but natural: a "frightening" geological labyrinth of piled basalt blocks in every geometric form (cylindrical, prismatic, pyramidal, conical), arches like cathedrals, vaults, confusion rivaling icebergs, over 8–9 miles. It's the same impulse — turning a massive, overwhelming vista into poetic inventory.
  • Verne's method: He was a meticulous researcher who drew heavily from personal travel, real geography, and contemporary accounts. His 1859 Liverpool visit left a deep impression (he explored the docks extensively). He often repurposed real-world wonders for fictional settings — industrial ports for exotic or alien landscapes. The "iron coast" phrasing and emphasis on sudden molten crystallization echo volcanic/industrial contrasts he experienced in Britain's industrial north.
  • Timing and recurrence: Backwards to Britain was his first major prose effort. By the 1870s, when writing The Mysterious Island, he revisited themes from his travels. Some analyses even argue the entire Lincoln Island is modeled in part on the Wirral/Birkenhead area opposite Liverpool (across the Mersey), with its peninsular geography, varied coasts, and Victorian engineering vibes transposed to a Pacific island.
  • Thematic contrast: The first passage contrasts orderly English buildings/lights with the chaotic, living port. The second explicitly contrasts verdant vs. "harsh and wild" coasts. This binary thinking (ordered vs. chaotic sublime) is classic Verne.

Counterpoints (why not 100%):

  • Verne drew from many sources for The Mysterious Island (e.g., shipwreck survivor accounts like François Édouard Raynal's, Pacific island geography, geology texts). The specific rock formations could come from basalt columns (Giant's Causeway, which he visited in Britain/Scotland, or other volcanic sites).
  • It's not a direct copy-paste; the island scene is more gothic and primordial. However, the approach by sea and cataloging wonder strongly echoes his real arrival at Liverpool.

Bottom line: Verne's real sensory and emotional experience of first seeing the immense, labyrinthine Liverpool harbor almost certainly seeded his technique and enthusiasm for the later fictional coastal revelation. The parallels in scale, detail density, awe, and "labyrinth" motif make inspiration highly probable. This is how Verne worked — grounding the extraordinary in the (to him) extraordinary real.

 

 

Assessing the Probability

This is an interesting question about literary influence. Let me analyse the textual and contextual evidence.

Who is the author?

Both passages are almost certainly by Jules Verne. The first is from Une Ville Idéale (or his travel account of Liverpool, c. 1859), and the second is from The Mysterious Island (1874), describing the fictional "iron coast" of Lincoln Island.


Evidence FOR inspiration (raising probability)

Structural parallels are striking:

  • Both passages use an extended catalogue technique — listing shapes, forms, dimensions in rapid succession
  • Both deploy architectural metaphors (cathedral nave, arches, bridges appear in both)
  • Both measure coastlines in the same units: "seven or eight miles" vs. "eight to nine miles" — a near-identical framing device
  • Both contrast the sublime with meticulous enumeration of specific forms (cylindrical, prismatic, pyramidic in passage 2 mirrors the ship-type cataloguing in passage 1)
  • The "liquid labyrinth" of the docks and the labyrinthine rock formations share the same rhetorical DNA

Thematic echo: The Liverpool passage marvels at human-made grandeur; the second inverts this, presenting nature constructing the same gothic, architectural, industrial forms — almost as a deliberate counterpoint.


Evidence AGAINST direct inspiration

  • Verne drew on many sources; sublime coastline descriptions were a common Romantic literary convention
  • The rock formations passage may owe more to his readings on volcanic geology or the Brittany coast
  • Fifteen years separate the two texts — intervening influences are plausible

Probability Estimate


Factor


Weight


Shared structural/rhetorical techniques


Strong


Near-identical scale references


Notable


Architectural metaphor crossover


Suggestive


Common literary conventions of the era


Dilutes uniqueness

~65–75% probability that the Liverpool docks experience was a contributing inspiration. The parallels are too specific — particularly the mirrored measurements and the architectural catalogue form — to be entirely coincidental. However, "inspired" is a spectrum: it is very likely Verne's Liverpool visit shaped his vocabulary for describing overwhelming, sublime man-made and natural complexity, even if the fictional coastline drew on multiple sources simultaneously.

The most honest reading: the docks passage gave Verne a template for rendering the sublime through enumeration, which he then transposed from urban-industrial to geological registers in The Mysterious Island.


My thoughts
Well done A.I. as an 'additional tool' to add information, gravitas and explanation to a small part of my hypothesis regarding  the whole of the novel The Mysterious Island being based on Birkenhead. 

This is of course in the context of my challenging any Verne scholar to name any 10 of the sixty fictional locations in the Mysterious Island and I will inform you in full detail how each of those location relates in


a) Topography
b) Distance
c) Compass directions
d) History
e) Historical personalities
f) The American Civil War
g) slavery

to the ten 'like for like' locations in Birkenhead and the Wirral Peninsula.

Best John


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