APPENDEX. : Ti 
NO IV. 
This is to certify, that on the 26th of October, 1828, I examined a temporary 
Rudder made and fitted to the George Clinton, by Captai es on his 
turn passage from Liverpool, that and the preceding mo: ath, and found it the 
same in every r t as one which Captain crshall claims as sof his own 
invention, and which was made more than twelve months rf me made 
y n Rawson. I also examined the Rudder fitted to the Britannia, when 
she arrived in New York, in Nov. 1827, and the difference in_ construc 
— so little, that they appeared to have been made by on Fecmee ra same per- 
Jos 
Geter 2d, 1828. Master of t the Ship "Spartan. 
New York, December 14, 1828. 
B. SILLIMAN, ESQ. 
sige 
doing, it has been don 2 Veiitiont the slightest sees of arrogating to syallt 
the least credit as re os itsinvention. I have a perfect recollection that the 
one in question varies very materially from ha i) escription of, 
— by Cai Rawson, I ams that I admitted to Captain Hall and 
rs, and to Captain Rawson himself, who was at y arrival on 
the e spot all that part resembling his. Captain Rawson is not here a ee 
ail again in the course of a day or two, it is entirely unce rtain 
“A ae meet. I have no great disposition to conte with him on tina 
sot my only motive for giving a description of it, was dames to give publicity 
what i consider the best thing ever adopted for the purpose, and that sagt 
may be benefited by it; and 
hacer invented by me or him, or both, is to me of very little consequence “ 
and not worth contending about. But why ae ae me reat iets pre ge It is 
certainly due to me that he should furnish you with a drawing an of 
the one he actually fitted sgt then it may be wee wherein it v sak The 
Rudder in question also ats e, and perhaps — — to one that 
I had had a description of, fitted by some person ou oe ie wr St cer a8 it 
was admitted at the time, by all who saw it, to bots ae any one 
that was ever brought into notice before ; however, I shall. leave this subject 
to your own good judgment, to dispose o' of as you may think proper 
Respectfully and si 
Your obedi 
ua’s H. Mars renal 
P. S. I presume, could I have a personal interview with Captain Rawso 
on the subject, it would be an advantageous one to both pa’ 
New York, February 23, 1829. 
MR. BENJAMIN SILLIMAN. 
—When your favor of se cm 3 9th reached New York, I was 
Dear Sir. 
absent on a voyage to Europe, and nd whom I had requested to tend te to 
any communication from you, was soon after I left. also called away; your 
