There's nothing mystical or complicated about a sextant. All it is is a device that measures the angle between two objects. The sextant makes use of two mirrors. With this sextant, one of the ...

The fact is often overlooked that as the sextant is a double-reflecting instrument ... When quick-flying scud or slow-moving clouds obscure first one limb of the sun and then the other, its ...

There's no way around it: Celestial navigation using a sextant is a complex and involved process that involves a fair amount of calculating, correcting, referring to tables, knowledge of the ...