. "Observations on the forgotten art of building a good fireplace; the story of Sir Benjamin Thompson, Count Rumford, an American genius & his principles of fireplace design which have remained unchanged for 174 years"@en . . "Forgotten art of building a good fireplace" . "Forgotten art of building a good fireplace"@en . . "Observations on the forgotten art of building a good fireplace : the story of Sir Benjamin Thompson, Count Rumford, an American genius & his principles of fireplace design which have remained unchanged for 174 years" . "Observations on the forgotten art of building a good fireplace : the story of Sir Benjamin Thompson, Count Rumford, an American genius & his principles of fireplace design which have remained unchanged for 174 years"@en . . . . . "Observations on the forgotten art of building a good fireplace the story of Sir Benjamin Thompson, Count Rumford, an American genius & his principles of fireplace design which have remained unchanged for 174 years"@en . "Observations on the forgotten art of building a good fireplace : the story of Sir Benjamin Thompson, Count Rumford, an American genius, his principles of fireplace design which have remained unchanged for 174 years"@en . . . "\"How to alter unsatisfactory fireplaces & to build new ones in the 18th century fashion\" --cover." . . . . "The story of Sir Benjamin Thompson, Count Rumford, an American genius & his principles of fireplace design which have remained unchanged for 174 years." . . "The story of Sir Benjamin Thompson, Count Rumford, an American genius & his principles of fireplace design which have remained unchanged for 174 years."@en . . "Observations on the forgotten art of building a good fireplace"@en . . . . . . . "Observations on the forgotten art of building a good fireplace : the story of Sir Benjamin Thompson, Count Rumford, an American genius, & his principles of fireplace design which have remained unchanged for 174 years" . "Observations on the forgotten art of building a good fireplace : the story of Sir Benjamin Thompson, Count Rumford, an American genius, & his principles of fireplace design which have remained unchanged for 174 years"@en . . . . "Cheminées d'appartement." . .