Historical Chronicle of the basic knowledge of Fine Coffee Culture-3

In 1933, the first automatic coffee extractor was improved.

In 1935, a dwarf variety of Bourbon was discovered in Sao Paulo, Brazil, and named Cadura;

In 1938, Nestle developed a modern "spray drying method" in Brazil;

In 1938, Italian Achille Gaggia invented the espresso machine.

In 1941, German chemist Schlumbauer introduced Chemex, a follicular kettle with a filter cup and a bottom kettle. All made of heat-resistant glass, the filter paper used is also about 20%~30% heavier than the general filter paper;

In 1945, coffee espresso machines were perfected with a piston, which produced high pressure and extracted a thick layer of coffee grease;

In 1948, the Italian company Gaggia designed an improved piston-lever pressurized espresso machine;

After 1960, the United States invented the electric drip pot, also known as the American coffee machine;

In 1961, Italy's Faema company produced the first pump-type espresso machine that replaced the piston with a pump, the famous Faema E61;

In 1964, General Foods invented the "freeze-drying method" to make instant coffee;

Alfred Peet opened a shop in San Francisco in 1966 to promote fresh, deep-roasted coffee beans.

In 1971, three of Pitt's apprentices founded Starbucks Coffee in Seattle.