Longitude Double

Longitude DoubleThe dramatic human story of an epic scientific quest and of one man's forty year obsession to find a solution to the thorniest scientific dilemma of the day "the longitude problem." Anyone alive in the eighteenth century would have known that "the longitude problem" was the thorniest scientific dilemma of the day and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration had been

With our concentrated formula all you need is half a cap

Top quality down insulation: tested according to IDFB standards

ultralight glove for multi-sport use

A purchase of the bottle includes a tumbler lid

Sold in a package of 4

making them perfect for sliding into the contours of your pack and all seams are double stitched and tape-sealed

The full YKK(TM) zippered closure keeps contents secure

9999% of bacteria and 99

hauling heavy loads and intensive use

known today as the chronometer

fleece chalk compartment

A white interior coating helps to shed moisture and makes finding your contents easy and the unique tear-proof drawcord top opening is a cinch to use