Adobe Acrobat Pro DC is a comprehensive solution for managing PDFs. This article covers the key features you must know to create and edit PDFs like a pro. Adobe Acrobat Pro DC is a comprehensive solution for managing PDFs.
No, it wasnât Thomas Edison. Light bulbs were in use long before Edison applied for the patent in 1879. British inventor Humphry Davy invented an incandescent light bulb in 1801 and created the âarc lampâ in 1809. In 1835, Scottish inventor James Bowman Lindsay demonstrated a constant electric light in Dundee.
Thomas Edison and the âfirstâ light bulb. In 1878, Thomas Edison began serious research into developing a practical incandescent lamp and on October 14, 1878, Edison filed his first patent application for Improvement In Electric Lights.