Observations of the magnetic dip
Subtitle: made at several positions, chiefly on the south-western and north-eastern frontiers of the United States, and of the magnetic declination at two positions on the River Sabine, in 1840
By: by James D. Graham
Series: Transactions of the American Philosophical Society -- new ser., v. 9, art. 12; Transactions of the American Philosophical Society -- new ser., v. 9, pt. 12.
Publisher: [The Society]
Published: 1846
Place of publication: Philadelphia]
Language: eng
Number of pages: 381
Subjects: Geomagnetism; Observations
Notes: Caption title.

Read in three parts: "16th August, 1844," page [329]; "January 17, 1845," page 345; and "April 17th, 1846," page 373.

"Errata in the preceding paper," page 380; "Additional errata and corrections to be made in the preceding paper," page [381].

Transactions of the American Philosophical Society, v. 9, pts. 1-12, issued together as n.s., v. 9.

Rare Book copy: Plates wanting.

Rare Book copy: No. 6 in a bound volume of titles.