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In May 1852, August von Berlepsch in Germany designed a movable frame. [2] On October 5, 1852, in the United States, L. L. Langstroth patented a new hive with movable frames under US patent # US9300A. [3] [4] Today, the Langstroth hive is the most common design in many parts of the world. In the UK the national hive is more commonly used.
Other inventors, notably François Huber in 1789, had designed hives with frames (the so-called leafe or book hive), [3] but Langstroth's hive was a practical, movable frame hive, which overcame the tendency of the bees to fill empty spaces with comb and to cement smaller spaces together with propolis.
Based on the aforementioned measurements, August Adolph von Berlepsch (Bienezeitung May 1852) in Thuringia and L.L. Langstroth (October 1852) [29] in the United States designed their own movable-frame hives. Langstroth used, however "about 1/2 inch" (13 mm) above the frame's top bars and "about 3/8 inch" (9.5 mm) between the frames and hive body.
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The Leaf Hive, invented in Switzerland in 1789 by François Huber, was a fully movable frame hive, but had solid frames that were touching and made up the "box." The combs in this hive were examined like pages in a book. Langstroth read the works of Francois Huber and Edward Bevan and obtained a Huber leaf hive in 1838.
Among his most important inventions was a hive frame in a separate honey chamber of his beehive. He also invented a crude queen excluder between brood and honey chambers. [ 6 ] [ 7 ] Petro Prokopovych was also the first to ever model a 'bee beard' after delineating and calculating 'bee swarm behaviour", inspiring students for generations.
The National frames have a long top-bar to the frame (17 in or 430 mm) giving them long lugs of 1 + 1 ⁄ 2 in (38 mm) that rest on the runners. In its original form, the National hive provides 3 ⁄ 8 in (9.5 mm) bottom beespace—that is, the top surface of the frame bar is flush with the top of the box, and the lower surface of the frame is ...
The following movable bridges (drawbridges and swing bridges) exist in the U.S. state of Florida. This transport-related list is incomplete ; you can help by adding missing items . ( March 2014 )