Unfortunately, it appears to be at least partially rectally sourced. The first known Greek steam engine was the aeolipile, invented by the Greek engineer Heron, which was simply an amusing toy. He did invent a door opening mechanism that operated by steam power, but there is no record of it not being adopted for fear of displacing slave labor.
Unfortunately, it appears to be at least partially rectally sourced. The first known Greek steam engine was the aeolipile, invented by the Greek engineer Heron, which was simply an amusing toy. He did invent a door opening mechanism that operated by steam power, but there is no record of it not being adopted for fear of displacing slave labor.