Well-done video showing where in the ancient world the Chinese historians were describing, and examples of what they were (probably) describing. It's rather amusing what the Chinese thought were important: being able to breath fire and juggle 10 balls, relay sheds for postal stations, and many, many types of cloth.
This is the cubit rod (aka ruler) of Maya, "treasurer of king Tutankhamun." He also served under Tutankamun's two successors, Ay and Horemheb. The cubit rod was an important part of being a treasurer because the Egyptian government was built on land management, and taxes were mainly agricultural products. To know how much to tax, you had to know how to measure the field, and the unit of measurement was the cubit. This rod measures the royal cubit of seven palm-lengths (52.3 cm) and the common cubit of 6 palm-lengths. There are also a number of gradations shown including "digits," palm-lengths, and fractions of digits from halves to sixteenths. Just in case Maya needed to measure really small distances.
Or, why the Mercator Projection is rarely used nowadays. It was revolutionary when it was first invented because it represents vessels' straight courses as straight lines, making navigating ships much easier. But that was in 1569. And cartography has become a much more advanced science these days.
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By Lillian Audette
This blog is a collection of the interesting, the weird, and sometimes the need-to-know about history, culled from around the internet. It has pictures, it has quotes, it occasionally has my own opinions on things. If you want to know more about anything posted, follow the link at the "source" on the bottom of each post. And if you really like my work, buy me a coffee or become a patron!