USA HISTORY

Detailed explanation-1: -Incandescent Bulbs Light the Way Long before Thomas Edison patented–first in 1879 and then a year later in 1880–and began commercializing his incandescent light bulb, British inventors were demonstrating that electric light was possible with the arc lamp.

Detailed explanation-2: -Electric lights allowed factories to adopt longer hours, and many factories began to operate 24 hours a day (“Industrialization and Urbanization in the United States, 1880-1929” via Oxford Research Encyclopedias: American History).

Detailed explanation-3: -Electric light bulbs created the practice of shift work, increased worker efficiency, and allowed for greater productivity. They also improved working conditions, eliminated heat and pollution caused by gas lighting, and reduced fire hazards.

Detailed explanation-4: -On January 27, 1880, Thomas Edison received the historic patent embodying the principles of his incandescent lamp that paved the way for the universal domestic use of electric light.