Nautical Uses of Lead  in Roman Times    A Presentation by      Ivor Mollema
Chronology• Use of lead very  common in Ancient  World• Nautical use mainly  from 3rd c. BC till 2nd c.  AD for Romans• Bu...
Uses•   Sheathing•   Caulking•   Anchors•   Pumps•   Oars•   Cooking Gear•   Fishing Gear•   Containers
Sheathing• From Keel to Waterline   – Copper Tacks   – Second Strake above Water   – Overlapping• Guards against marine  g...
Caulking• Deck and Hull• Strips of lead between  planks• Sealed with putty or  resin• Waterproofing of joints
Anchors• Lead key component of  Roman Anchors• Composite anchors of  wood and lead• Lead used to give  weight to anchors• ...
Pumps• Used as form of bilge  pumps• Basic piston pump• Hand operated• Lead parts:   – Pipes   – Collecting Box
Other Uses
Important Sites (besides ours)•   Caesarea, Israel•   Baratti Wreck, Italy•   Nemi, Italy•   Marsala•   Grado, Italy
Upcoming SlideShare
Loading in …5
×

Lead roman ships

1,199 views
978 views

Published on

Underwater Archaeology Field School.

Published in: Education, Technology, Business
1 Comment
0 Likes
Statistics
Notes
  • Be the first to like this

No Downloads
Views
Total views
1,199
On SlideShare
0
From Embeds
0
Number of Embeds
15
Actions
Shares
0
Downloads
12
Comments
1
Likes
0
Embeds 0
No embeds

No notes for slide

Lead roman ships

  1. 1. Nautical Uses of Lead in Roman Times A Presentation by Ivor Mollema
  2. 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. 3. Uses• Sheathing• Caulking• Anchors• Pumps• Oars• Cooking Gear• Fishing Gear• Containers
  4. 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. 5. Caulking• Deck and Hull• Strips of lead between planks• Sealed with putty or resin• Waterproofing of joints
  6. 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. 7. Pumps• Used as form of bilge pumps• Basic piston pump• Hand operated• Lead parts: – Pipes – Collecting Box
  8. 8. Other Uses
  9. 9. Important Sites (besides ours)• Caesarea, Israel• Baratti Wreck, Italy• Nemi, Italy• Marsala• Grado, Italy

×