scotch hearth वाक्य

उदाहरण वाक्य

1. The construction of the Scotch hearth furnace led to the complete abandonment of log smelting.
2. Eventually, an American miner, Moses Austin, arrived in 1797 and built a Scotch hearth, or reverbertatory, furnace to replace the grossly inefficient log-pit furnaces, and the miners brought their lead to it to be smelted.