{"newspaper_name": "The Wilmingtonian, and Delaware advertiser.", "edition": "01", "page": "p3", "byline": ""}
{"character_count": 466, "word_count": 88, "ccnet_language_score": [0.9868999719619751], "ccnet_perplexity": [792.5999755859375], "fasttext_language": ["en"]}
Submarine Navigation Some experiments
in submarine navigation have been lately made
on the Seine by NJ. Bca,tdouni, with boat OF
his invention. Ii is said that by the mechanism
of bis boat he can descend to the bottom, and
raise himself again at pleasure. On the 9th ut,
which was his second trial, one hour elapsed
from the time his boat left the surface of the wa
ter, until it reappeared, and he spent AZ min.
utes of that time at the bottom, at depth OF IL
feet.