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Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. - Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr by John MacGillivray
page 27 of 398 (06%)
TRY FOR DEEP-SEA SOUNDINGS.

On the 11th an attempt was made to strike deep-sea soundings, but failed
from the drawing of a splice used to connect two portions of the
spun-yarn employed. On the following day the attempt was repeated by
Captain Stanley, unsuccessfully, however, no bottom having been obtained
at a depth of 2400 fathoms. Still a record of the experiment may be
considered interesting. At three P.M., when nearly becalmed in latitude 1
degree North, and longitude 22 degrees 30 minutes West (a few hours
previous to meeting the south-east trade) the second cutter was lowered
with 2600 fathoms of line (six yarn spun-yarn) in her, coiled in casks,
and a weight consisting of twelve 32 pounds shot--in all, 384 pounds,
secured in a net bag of spun yarn. The jolly-boat was in attendance to
tow the cutter as fast to whirlwind as she drifted, so as to keep the
line during the time it was running out as nearly up and down as
possible. The following table shows when each 100 fathoms passed over the
stern, the whole 2400 fathoms of line having taken 38 minutes and 40
seconds to run out:

COLUMN 1: FATHOM MARK.
COLUMN 2: TIME OF PASSING (IN MINUTES AND SECONDS).

100 : 1 0.
200 : 2 5.
300 : 2 30.
400 : 3 35.
500 : 5 0.
600 : 6 15.
700 : 7 35.
800 : 9 0.
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