Steel-makers and Knotted String

able amongst amount analyst appear asked became become better Brearley called cast clay contained crucible depend direct director early expected experience eyes fact factory father feel furnace give given grow half hand happen hard hardened heat idea ignored important industry ingot interest iron keep kind knew knowledge known laboratory later learned less living look manager manufacture material matter means melting metal method mind mother nature never observations once operations opportunity piece possible practice produced properties question reason regarded relating respect Sheffield stainless steel steel-making suggested taken talk temperature things thought tion tool steel trade turned understand usual young