Updated

Updated · The Daily Beast · Aug 9

Divers Recover 160-Year-Old Guinness Bottle Off Dover, Eye 24 More From 1864 Wreck

Updated

Updated · The Daily Beast · Aug 9

Divers Recover 160-Year-Old Guinness Bottle Off Dover, Eye 24 More From 1864 Wreck

Q: What hidden Victorian military secrets remain buried alongside these perfectly preserved bottles at the bottom of the sea?

No specific “Victorian military secrets” have been identified at the wreck site so far. What divers and researchers can say with evidence is that the seabed around the Guinness bottles appears to hold military supplies linked to British Army transport in 1864. Reports from the Mindoro wreck indicate preserved cargo beyond the stout: utensils, plates, cutlery, bottles of wine, beer and gin, along with military-related items such as rifle buckles and army belts. Those finds suggest the ship was carrying provisions and equipment for British troops, reportedly bound toward Vancouver, where a British regiment was stationed at the time. The more intriguing unanswered question is what still lies buried under the sand. Divers believe the Guinness came from at least one full crate of 24 bottles, and possibly several more cases. They also say changing currents regularly uncover and re-cover parts of the wreck, meaning additional cargo, personal effects or military gear may still be concealed. So the hidden story is less about known secret weapons or classified documents than about an undisturbed Victorian supply ship. If further dives recover more cargo, archaeologists may be able to reconstruct exactly what the British military was shipping overseas in the mid-19th century, from food and drink to field equipment. For now, the confirmed evidence points to a well-preserved military supply context, not yet to any dramatic secret.

Q: How did a bizarre upside-down packing method protect these 1864 beer bottles from crushing deep-sea pressure?

The bottles were likely protected because they were packed upside down, keeping the cork constantly pressed and wetted by the beer, which helped maintain a tighter seal against seawater and external pressure. Divers working the wreck said some of the Guinness bottles were found inverted in crates. That unusual orientation may have created a natural barrier: with the bottle resting on its neck and cork, the internal liquid stayed in contact with the closure, reducing shrinkage or drying of the cork over time. A swollen, wet cork would be less likely to let seawater seep in. The method did not literally cancel deep-sea pressure, but it may have helped the bottles survive it. At depth, pressure is applied evenly around the glass, which is why intact sealed bottles can sometimes endure surprisingly well if they are not cracked or struck. What the upside-down packing likely did was protect the weakest point — the corked mouth — from leakage and contamination. The bottles also benefited from the wreck environment itself: cold water, darkness and limited disturbance. Those conditions, reported at roughly 4C and significant depth, can slow decay and preserve both cork and contents. So the “bizarre” packing method appears to have worked less as a shield against crushing and more as a way of preserving the seal, which in turn improved the bottles’ chances of surviving intact for more than 160 years.

3 articles · Updated · The Daily Beast · Aug 9

A Guinness bottle from the 1864 Mindoro shipwreck was recovered off Dover by diver Stefan Panis, who said the label became clear only after the artifact was rinsed at the surface.
Panis believes the find came from a case of 24 bottles and said more cases may still lie at the wreck site.
KU Leuven University in Belgium has received samples from the bottle to see whether DNA can be recovered and the 19th-century beer recipe recreated in a small re-brew.
If lab work fails, the team may open the bottle itself to test whether the beer remains drinkable or whether seawater seeped through the cork.