A sailor's proposal for finding his longitude by the moon. Offering at an easy and practical way of performing it now, by the moon's visible apparent equinoctial distance. The whole Process being within the Power and Capacity of every Mariner who understands the Art of Navigation. With the Manner of making the Common Instruments fit for the Purpose: And also a Description of a New One, by which the Altitude may be taken more exactly, with Directions for correcting it.

Date:

1726