It was originally excavated between 1890 and 1892 by the PEF during five excavation seasons. After brief training under Petrie at Meydum in Egypt, Bliss began two years work at Tell el-Hesi. Using Petrie's ceramic sequence and the pioneering concept of a sequence of 'cities', Bliss was able to establish not only the archaeology of this specific site, but the sequential framework for Levantine archaeology. The final reports were published in 1891 and 1894. Among other discoveries was the remains of what was identified as a blast furnace, with slag and ashes, which was dated to 1500 BC. If the theories of experts are correct, the use of the hot-air blast instead of cold air was known at an extremely early age. Aside from some inscribed pottery of