M. de Luc's rule for measuring heights by the barometer, reduced to the English measure of length, ... By the Astronomer Royal. ...
Maskelyne, Nevil,1732-1811.
London : printed by W. Bowyer and J. Nichols,
1774.
A lecture read to the Royal Society on Jan. 13, 1774.
The Astronomer Royal = Nevil Maskelyne.
ESTC