The magnetic atlas ; or, variation charts of the whole terraqueous globe comprising a systemof the variation and dip of the needleby which the observations being truly made, the longitude may be ascertained /
Churchman, John,1753-1805.
London : printed for the author, by Darton and Harvey; and sold by John Sewell; Charles Dilly; T. and J. Egerton, James Phillips; and Steel and son,
1794.
With a list of subscribers.
4 plates of which two are outline coloured.
Plates I & II are charts of north and south hemispheres shown as gores.
ESTC
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1986. The Eighteenth Century ; reel 1952, no. 08.