old metal pieces conservation after electrolysis, electrolysis alternatives

[drhans]

hi everyone,

i have been wondering what i could use to preserve and protect metallic objects that have been submerged in saltwater for a couple of hundred years. cannons, nails, etc, anything you usually find at shipwrecks.
any kind of transparent paint or lack ?

any alternatives except of electrolysis to treat these sometimes very large objects ?

thanks in advance for any help

 

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Try these links:

Metals - General
http://nautarch.tamu.edu/class/anth605/File9.htm

Iron:
http://nautarch.tamu.edu/class/anth605/File10.htm

Nonferrous Metals - General:
http://nautarch.tamu.edu/class/anth605/File11.htm

Copper, Bronze, Brass:
http://nautarch.tamu.edu/class/anth605/File12.htm

Silver:
http://nautarch.tamu.edu/class/anth605/File13.htm

Lead & Tin:
http://nautarch.tamu.edu/class/anth605/File14.htm

Gold:
http://nautarch.tamu.edu/class/anth605/File15.htm