Maritime observations
Subtitle: in a letter from Doctor Franklin, to Mr. Alphonsus Le Roy, member of several academies, at Paris.
Contributors: Leroy, Alphonse Vincent Louis Antoine, 1741?-1816.; Poupard, James, engraver.; American Philosophical Society.
Series: Early American imprints -- no. 44888.
Publisher: Printed by Robert Aitken, at Pope's Head, in Market Street, three doors above the coffee-house.
Published: 1786
Place of publication: Philadelphia
Language: eng
Format: Microform
Number of pages: 329
Subjects: Navigation.; Gulf Stream.
Notes: Caption title: No. XXXVIII. A letter from Dr. Benjamin Franklin ... At sea, on board the London packet, Capt. Truxton, August 1785.

From the Transactions of the American Philosophical Society, v. 2, with added title page.

Signatures: 2Qþ́(-2Q1) 2R-2Tþ́.

Plate and map (of the Gulf Stream) engraved by James Poupard.

Map includes: Remarks upon the navigation from Newfoundland to New-York, in order to avoid the Gulph Stream. ... B. Franklin.

Bristol B6285.

Shipton & Mooney 44888.

Microfiche. [New York : Readex Microprint, 1985] 11 x 15 cm. (Early American imprints. First series ; no. 44888)