Remarks on the Hadley's quadrant, tending principally to remove the difficulties which have hitherto attended the use of the back-observation, and to obviate the errors that might arise from a want of parallelism in the two surfaces of the index-glass. By Nevil Maskelyne, F.R.S. Astronomer Royal

People / Organizations

• Nevil Maskelyne (Author)

Imprint

London : printed by W. Bowyer and J. Nichols, M.DCC.LXXII. [1772]

Publication year

1772

ESTC No.

T59672

Grub Street ID

285670

Description

[2],24p. ; 4°.

Note

A lecture read to the Royal Society on May 28, 1772.