Re: Query: Ballast on 17th century ships
- From: Jack Linthicum <jacklinthicum@xxxxxxxxxxxxx>
- Date: Sat, 30 Jun 2007 12:24:15 -0700
On Jun 30, 1:05 am, Kerryn Offord <k...@xxxxxxxxxxxxxxxxxxxx> wrote:
Could anybody point me to easily accessible references on ships ballast
for warships and transports.
Danish and French Navy... in the early 1600s
I know Vasa had stone ballast. Batavia had lead (220 tons..)..
But anything on what ships might have stored deep in the hold in this
line.. size and weight of stones etc would be interesting... Images also.
Thank you.
Kerryn Offord
Archaeology lives off of ship's ballast, it is the usual marker for
where a sunken ship lies. This is two pages from archaeology 17th
century ship's ballast
18th Century Ballast Site off LouisianaIn May 1989 an eighteenth
century site was identified off the Chandeleur Islands, east of the
Mississippi River delta. The site was investigated by Texas A&M
University and published under study number MMS 89-0092. A ballast
pile, pottery shards, a lead patch, a lead bilge pump tube, and six
iron cannon were recorded during the investigation. No hull remains
were found at the site and researchers concluded that the site
represented the location of an accidental grounding and discard of
unnecessary ballast and ordnance to lighten the ship. This hypothesis
was supported by the fact that all six cannon were damaged in some way
and, while useless as ordnance, could have functioned as ballast.
Interestingly, three of the cannon were of Swedish manufacture and
were cast between 1771 and 1784. The research was sponsored by the MMS
under permit from the State of Louisiana.
The china has been brought to Ostend in great quantities in the 18th
century, first by the Ostend Company and later by mariners from Ostend
in Foreign Service, mainly as ship's ballast.
http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=41150
The 1622 Spanish Treasure Fleet Disaster in the Dry Tortugas
Spanish galleon.
Investigations of the possible Nuestra Señora del Rosario
and the Swivel Gun Nest Site.
http://www.anthro.fsu.edu/research/uw/research/ships/rosario.html
ARTIFACT OF THE WEEK Curator Bly Straube could hardly believe her eyes
when archaeologists probing the cellar in the northeast corner of the
fort recovered an early Roman oil lamp dating to 100 or 200 AD. Made
in Gaul, the mass-produced firma lampe would have been common in Roman
London, she says, and it was probably brought to Jamestown some 1,500
years later as part of a load of ship ballast dredged up from the
Thames River.
http://www.topix.net/content/trb/2007/06/elements-of-surprise
The vessel was built in an unusual manner with a double layer of
planking and constructed by building the vessel up from the keel with
planks and later adding the ribs. Many unusual and interesting
artefacts were recovered from the site. These include a prefabricated
portico, ornate silverware, ceramics and bricks, all of which were
part of the 'paying' ballast of the vessel.
http://www.museum.wa.gov.au/collections/maritime/march/shipwrecks/Batavia/batavia.html
The possibility of mistaking natural fractured flint stones for
artifacts has always been problematic to researchers in the Old World
and the New World. This problem increases ten-fold when artifact-like
assemblages are collected from heaps of nonindigenous stone which was
brought to the New World as ballast. Such a ballast station consisting
of flint from the Thames in England and deposited in New Rochelle, New
York, is described, and its ramifications are discussed.
http://links.jstor.org/sici?sici=0002-7316(196804)33%3A2%3C240%3AAFBSIN%3E2.0.CO%3B2-P
.
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