Sport: Good Red Rays

Every navigator loves his sextant. He bought it when he was still at school, paid perhaps $100 for it. When he is signed on a new ship, it is assumed he will bring his own sextant; it is bad nautical manners to borrow another man's. It may be more or less ornate but it is much the same as the sextant that John Hadley invented in 1731.* Every noon at sea he goes up on the bridge and measures the angle the sun and the horizon make in the...

Want the full story?

Subscribe Now


Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!