Por un escritor de hombre misterioso
The Singer Sewing Machine changed the way America manufactured textiles, but the invention itself was less important than the company’s innovative business
On August 12, 1851, Isaac M. Singer was granted a patent for the first practical and efficient sewing machine - This Day in Patent History - Patent Yogi LLC
Elias Howe: Inventor of the Sewing Machine
The accidental Singer sewing machine revolution - BBC News
Singer sewing machine ads 1917 1937 1938 1939
The Volokh Conspiracy - The Sewing Machine Combination -- A Fountainhead of Innovation
Singer Corporation - Wikipedia
The (Dramatic) History of the Sewing Machine - Cathey's Sewing Vacuum
Sewing Machine, History, Invention & Timeline - Lesson
Restoration of a 1953 Vintage 201-2 Sewing Machine – Professionally Restored Vintage Fine Quality Sewing Machines
Johnstons of Elgin Welcome to the World of Johnstons of Elgin
Original patent drawing of an early Singer round bobbin sewing machine, 1867. Isaac Merritt Singer (1811-75) originally worked on theatre, only workin, Supe…
How Singer Won the Sewing Machine War, At the Smithsonian
Alethea Williams ~Western Historicals~: Sewing Machines and Joy That Long Endures
Singer Treadle Style Sewing Machine - UTSA Institute Of Texan Cultures
April 3: The Sewing Machine Patent Wars – Today in Connecticut History