Here’s What Nancy Pelosi Was Reading 📖 Last Week 🌈 ✈️ 🌎🌍🌏

Navigation for sailing ships required knowing their latitude and longitude quite precisely. A sextant for shooting the sun provided the needed latitude. However, there was no way to measure the longitude until the invention of a precise time clock for carrying aboard a ship enabled the measurement of the longitude of the ship as well.

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