History - Early Lighting

Question 0

What was the first demonstrated electric lamp?

Answer 0

Carbon-ARC Lamp

First demonstrated in 1801 by Sir Humphrey Davy, an English chemist.

Question 1

What word is the word “lamp” derived from?

Language/Word/Meaning

Answer 1

Greek, “lampas,” torch.

Question 2

Who were incandescent lamps developed by?

Answer 2

Incandescent lamps were independently developed by:

• Sir Joseph Swan (England)
• Thomas Edison (USA)

Question 3

When did Edison patent his incandescent lamp?

Answer 3

1880

Question 4

Fixture/Luminaire

Definition

Answer 4

Houses the light source and provides control over the light source.

Question 5

Who made the first electric light bulb, when was it made, and what was wrong with it?

Answer 5

Sir Joseph Wilson Swan in 1860. The filament burned out too quickly.

Question 6

The first light bulb that was demonstrated was demonstrated in the year ____ and was demonstrated by whom? What was wrong with the bulb?

Answer 6

1878, Sir Joseph Wilson Swan. Filament life still too short.

Question 7

Swan’s low-voltage, high-current invention is still used today in these applications.

Answer 7

• Flash lights

- Automobiles