In 1772, Wright created a 44 by 52-inch variation on this theme called The Iron Forge which was sold to Lord Palmerston for 200 pounds.
V roce 1772 Wright vytvořil 112 × 132 centimetrů velikou verzi na kovárenské téma nazvanou An Iron Forge, kterou prodal lordu Palmerstonovi za 200 liber.