1843.] on the effects of Sea-water on Iron. 1073 



22d. I forward also several papers which have reached me on this 

 subject, and in which many facts and observations of much interest will 

 be found. 



23d. Lastly, I have to express my regret that in consequence of the 

 state of my health compelling me to return to Europe immediately, 

 I have not the leisure to present a more complete Report on this very 

 interesting subject.* I have, &c. 



(Signed) W. B. O'Shaughnessy, M. D. 

 Calcutta, the 23d November, 1841. Chemical Examiner. 



Memorandum of Papers appended. 



1. Capt. Kinsman on a poisonous Cement. 



2. „ Henderson, communicating various facts. 



3. „ Williams of the " Sylph" ditto ditto. 



4. 5, 6. Capt. Cleaveland's Abstracts of the voyage of the Iron 

 Steamer " Phlegethon." 



7. Mr. Johnson's observations on the corrosion of iron in the 

 Phlegethon, communicated by Mr. Maddock. 



(True Copy.) 



(Signed) C. B. Greenlaw, Secretary. 

 Fort William, Marine Superintendent's 

 Office, the 23d Sept. 1843. 



To E. A. Blundell, Esq. Commissioner in the Tenasserim Provinces. 



Sib, — Having been requested by you to give my opinion regarding 

 the corrosive effects water may have on iron in these seas, I beg to 

 state that I am of opinion, water in these seas is as destructive to iron 

 as in any part of the world. 



* The proofs of this report have been submitted to Dr. O'Shaughnessy for revision 

 and correction. — Eds. 



