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

1772-1772

ESTC No.

T59672

Grub Street ID

285670

Description

[2],24p. ; 4⁰

Note

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