Longitude Double With our concentrated formula all

With our concentrated formula all you need is half a cap

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

A purchase of the bottle includes a tumbler lid

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

hauling heavy loads and intensive use

Longitude Double With our concentrated formula allThe 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