eels were entirely removed
from the shafts and stowed on deck.

Watkins[15] showed, by the account books of Stephen Vail, owner of the
Speedwell Ironworks near Morristown, New Jersey, that the engine was
built by Vail, but apparently to designs by Daniel Dod. The latter
built the _Savannah's_ boiler at Elizabeth, New Jersey, and made some
parts of the engine, which he furnished, incomplete in some instances,
to Vail. These account books, which were in the possession of John
Lidgerwood of New York City in 1890, show the steam cylinder to have
had an inside diameter of 40-3/8 inches and a 5-foot stroke. Reference
in the account books to an error in Dod's draught of a piston proves
that Dod designed the engine.

Watkins states that the engine was rated at 90 horsepower. He does not
give the diameter of the pump cylinder, but, judging by the scaling of
Marestier's drawing and by a rather indefinite entry in the Vail
account book, it appears to have been between 17 and 18 inches.
Quoting Captain Collins at some length, Watkins writes that the
mainmast was placed farther aft than was usual in a sailing ship, and
that the vessel had a round stern. Collins apparently based his
opinion upon an unidentified "contemporaneous lithograph" and upon
"all other illustrations of this famous vessel." Collins' conception
of the appearance of the _Savannah_ is shown in a drawing by C. B.
Hudson that is reproduced as the frontispiece in Watkins' publication.
A statement by Stevens Rogers that was published in the _New London
Gazette_ in 1836 appears to have been the original source for
statements regarding the _Savannah's_ fuel capacity, her sale, and her
loss in 1821 while owned and commanded by Capt. Nathaniel Holdridge,
"now master of the Liverpool packet ship _United States_." Watkins
also gives a picture of Stevens Rogers' tombstone, on which there is a
small carving purported to be of the _Savannah_. The tombstone was
made in 1868.

From a Russian newspaper contemporary with the _Savannah's_ visit to
St. Petersburg, Frank Braynard found a statement that the vessel had
two boilers, each 27 feet long and 6 feet in diameter.[16] It was also
shown she had at least one chain cable. Considerable information on
the cabin arrangement and the method of folding the wheels was also
obtained from this Russian source.

In spite of a very extensive bibliography on the _Savannah_, the basic
sources for reliable technical description are Maresti