Read the following text about Josephine Cochrane's dishwasher and answer the questions.

Josephine Cochrane's dishwasher was the first industrial dishwasher to sell successfully. The original model was introduced at Chicago's World Exhibition in 1893. It was later on modified and improved, and Cochrane herself patented many of these improvements.

American patent no. 355139 (USPTO).

1.- Look up information online and briefly describe the mechanism used in the first dishwasher invented by Josephine Cochrane and introduced at Chicago's World Exhibition in 1893.

2.- Describe how it is different from current dishwashers.