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Lead roman ships

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Underwater Archaeology Field School.

Underwater Archaeology Field School.

Published in Education , Technology , Business
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  • 1. Nautical Uses of Lead in Roman Times A Presentation by Ivor Mollema
  • 2. Chronology• Use of lead very common in Ancient World• Nautical use mainly from 3rd c. BC till 2nd c. AD for Romans• But, several examples found later: – Femina Morta wreck 300 AD
  • 3. Uses• Sheathing• Caulking• Anchors• Pumps• Oars• Cooking Gear• Fishing Gear• Containers
  • 4. Sheathing• From Keel to Waterline – Copper Tacks – Second Strake above Water – Overlapping• Guards against marine growth and shipworm – Found on 2/3s of Roman ships• Used for patch repairs• Spares were carried in rolls in the hull• Usually 1 metre square• 1.25 mm average thickness
  • 5. Caulking• Deck and Hull• Strips of lead between planks• Sealed with putty or resin• Waterproofing of joints
  • 6. Anchors• Lead key component of Roman Anchors• Composite anchors of wood and lead• Lead used to give weight to anchors• Usually stock or assembly piece
  • 7. Pumps• Used as form of bilge pumps• Basic piston pump• Hand operated• Lead parts: – Pipes – Collecting Box
  • 8. Other Uses
  • 9. Important Sites (besides ours)• Caesarea, Israel• Baratti Wreck, Italy• Nemi, Italy• Marsala• Grado, Italy