A discourse mathematical on the variation of the magneticall needle. Together with its admirable diminution lately discovered. By Henry Gellibrand professor of astronomie in Gresham College.

People / Organizations
Imprint
London: Printed by William Iones, dwelling in Red-crosse-street, 1635.
Publication year
1635
ESTC No.
S117951
Grub Street ID
137618
Description
[2], 22 p. : diagrams ; 4⁰
Note
Signatures: A-C?.
Uncontrolled note
Signatures from DFo