SCIENCE AND TECHNOLOGY

Paper bag machine by Margaret Knight.

1870

I choose this fact, as it produced a lot of bags which were more resistant than the cloth bags.

The sewing machine by Helen Blanchard.

1873

I choose this invention, as with it women didn't have to put in so much work sewing clothes.

The telephone by Graham Bell

1876

I choose this fact, as with it many people could comunicate with other people who were in other rooms.

The phonograph by Thomas Alva Edison

1877

I choose this fact, as this invention could reproduce and record sounds.

The light bulb by Thomas Alva Edison.

1879

I choose this fact, as with it the people didn´t have to use candles and there weren´t as much risk of fires from forgetting to blow out it.

The mechanical dishwasher by Josephine Cochranl.

1886

I choose this fact, as with it the washing dishes was a quicker and easier task.

The radio by Guglielmo Marconi.

1895

I choose this fact, as with this invention the people could listen to music and find out what was happening in other places in the world.

Anti derailment device by Mary Beasley

1898

I choose this fact, as with it the number of accidents due to train derailments has decreased greatly.

The aspirin by Felix Hoffmann

1899

I choose this fact, as this medicine helped cure many deseases and many people.

Eyeless needle by Ella Gaillard

1912

I choose this fact as this invention facilitated scar reduction and eliminated the need for double surgical thread.