Tables for reducing lunar observations, and obviating the difficulties in finding the longitude, by William Garrard, ...
Garrard, William,active 1781-1808.
London : printed by J. Moore,
1799.
The last ten pages contain, 'Table iv. Argument correct. of diff. of apparent altitudes', and 'Precepts for the use of the tables.'.
ESTC
England London.