What is this invention called?
Photographs
What is this invention called?
Underground railway
What is this invention called?
Telephone
What is this invention called?
X-ray
What is this invention called?
Petrol Motor Car
What is this invention called?
Electric Bulb
What is this invention called?
Sewing Machine
What is this invention called?
Wireless Radio
What is this invention called?
Bycicle
What is this invention called?
Rubber Tyres
What is this invention called?
Railway Network
What is this invention called?
Flusing Toilet
What is this invention called?
Typewriter
