Analysis of information sources in references of the Wikipedia article "Beekeeping" in English language version.
... a honey extractor. This machine, invented by Major Francesco De Hruschka in 1865, used centrifugal force to dislodge honey from the combs and collected it into a vat. The extractor, combined with Langstroth's movable comb hive, greatly improved the efficiency of honey harvesting.
... a honey extractor. This machine, invented by Major Francesco De Hruschka in 1865, used centrifugal force to dislodge honey from the combs and collected it into a vat. The extractor, combined with Langstroth's movable comb hive, greatly improved the efficiency of honey harvesting.