A conical flask, a common laboratory glassware item, is also known by several other names. One alternative term is the Erlenmeyer flask, named after German chemist Emil Erlenmeyer who created it in 1861. It has a similar shape to a conical flask but has a flat bottom and a conical top with a narrow neck. Another name for this item is the Florence flask, named after Florence, Italy. It has a round-shaped bottom and a narrow neck with a bulbous body. Additionally, a Buchner flask, which has a flat base and a tapered side for fitting with a vacuum filtration apparatus, can also be referred to as a conical flask.