Slavoljub Eduard Penkala
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Slavoljub Eduard Penkala
Slavoljub Eduard Penkala (; 20 April 1871 – 5 February 1922) was a Croatian engineer and inventor of Dutch-Polish descent. Biography Eduard Penkala was born in Liptószentmiklós (now Liptovský Mikuláš), then part of Austria-Hungary, to Franciszek Pękała, who was of Polish heritage, and Maria Pękała (née Hannel), who was of Dutch descent. He attended the University of Vienna and Royal Saxon Polytechnic Institute, graduating from the latter on March 25, 1898, and going on to earn a doctorate in organic chemistry. During his studies, he attended violin lessons where he met his future wife, pianist Emily Stoffregen. He then moved with his wife to Zagreb (which was then in the Kingdom of Croatia-Slavonia). To mark his loyalty to his new homeland, he took on the Croatian name Slavoljub ( Croatian for "slavophile"), becoming a naturalized Croat. He became renowned for further development of the mechanical pencil (1906) - then called an "automatic pencil" - and the first so ...
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Liptovský Mikuláš
Liptovský Mikuláš (; until 1952 ''Liptovský Svätý Mikuláš'', german: Liptau-Sankt-Nikolaus; hu, Liptószentmiklós) is a town in northern Slovakia, on the Váh River, about from Bratislava. It lies in the Liptov region, in Liptov Basin near the Low Tatra and Tatra mountains. The town, known as Liptovský Svätý Mikuláš (or Liptovský Saint Nicholas) before communist times, is also renowned as a town of guilds and culture. History From the second half of the 10th century until 1918, it was part of the Kingdom of Hungary. The town of Mikuláš ''(Liptószentmiklós)'' was first mentioned in the royal deed of King Ladislaus IV in 1286. The first written record mentioning the Church of Saint Nicolaus which was to become the founding element of a larger settlement dates back to 1299. The Church of Saint Nicolaus is the oldest building in the town of Liptovský Mikuláš. Mikuláš was one of the foremost important centers of crafts in the Liptov region. The craftsmen ...
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Kingdom Of Croatia-Slavonia
The Kingdom of Croatia-Slavonia ( hr, Kraljevina Hrvatska i Slavonija; hu, Horvát-Szlavónország or ; de-AT, Königreich Kroatien und Slawonien) was a nominally autonomous kingdom and constitutionally defined separate political nation within the Austro-Hungarian Empire. It was created in 1868 by merging the kingdoms of Croatia and Slavonia following the Croatian–Hungarian Settlement of 1868. It was associated with the Kingdom of Hungary within the dual Austro-Hungarian state, being within the Lands of the Crown of St. Stephen, also known as ''Transleithania''. While Croatia had been granted a wide internal autonomy with "national features", in reality, Croatian control over key issues such as tax and military issues was minimal and hampered by Hungary. It was internally officially referred to as the Triune Kingdom of Croatia, Slavonia and Dalmatia, also simply known as the Triune Kingdom, and had claims on Dalmatia, which was administrated separately by the Austrian Cis ...
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Detergent
A detergent is a surfactant or a mixture of surfactants with cleansing properties when in dilute solutions. There are a large variety of detergents, a common family being the alkylbenzene sulfonates, which are soap-like compounds that are more soluble in hard water, because the polar sulfonate (of detergents) is less likely than the polar carboxylate (of soap) to bind to calcium and other ions found in hard water. Definitions The word ''detergent'' is derived from the Latin adjective ''detergens'', from the verb ''detergere'', meaning to wipe or polish off. Detergent is a surfactant or a mixture of surfactants with cleansing properties when in dilute solutions. However, conventionally, detergent is used to mean synthetic cleaning compounds as opposed to ''soap'' (a salt of the natural fatty acid), even though soap is also a detergent in the true sense. In domestic contexts, the term ''detergent'' refers to household cleaning products such as ''laundry detergent'' or '' dish ...
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Hot Water Bottle
A hot-water bottle is a bottle filled with hot water and sealed with a stopper, used to provide warmth, typically while in bed, but also for the application of heat to a specific part of the body. Early history Containers for warmth in bed were in use as early as the 16th century. The earliest versions contained hot coals from the dying embers of the fire, and these bed warmers were used to warm the bed before getting into it. Containers using hot water were soon also used, with the advantages that they could remain in the bed with the sleeper and were not so hot as to be a fire risk. Prior to the invention of rubber that could withstand sufficient heat, these early hot-water bottles were made of a variety of materials, such as zinc, copper, brass, glass, earthenware or wood. To prevent burning, the metal hot water flasks were wrapped in a soft cloth bag. Rubber bottles "India rubber" hot-water bottles were in use in Britain at least by 1875. Modern conventional hot-water ...
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Patent
A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention."A patent is not the grant of a right to make or use or sell. It does not, directly or indirectly, imply any such right. It grants only the right to exclude others. The supposition that a right to make is created by the patent grant is obviously inconsistent with the established distinctions between generic and specific patents, and with the well-known fact that a very considerable portion of the patents granted are in a field covered by a former relatively generic or basic patent, are tributary to such earlier patent, and cannot be practiced unless by license thereunder." – ''Herman v. Youngstown Car Mfg. Co.'', 191 F. 579, 584–85, 112 CCA 185 (6th Cir. 1911) In most countries, patent rights fall under private law and the patent holder mus ...
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Dragutin Novak
Dragutin Karlo Novak (16 February 1892 in Zagreb – 31 October 1978, Zagreb) was the first person in what is now Croatia to make a heavier-than-air flight by flying a plane constructed by Slavoljub Eduard Penkala, June 22, 1910. Novak flew in an airplane made by constructor Slavoljub Penkala from the military training-field in Črnomerec, Zagreb. Later, during one of Novak's flying achievements, on 20 October 1910, the airplane was damaged, and Penkala gave up on aircraft design. Childhood and youth Novak was born in Zagreb, in Ilica 19 street. During his youth, his parents died so his aunt cared for him, "harmonizing" his life. He attended elementary school in Zagreb, then went to convent school in Tropavy (Silesia). He then continued in mechanical trade, specializing in mechanics. In 1910, he left Zagreb and went to his sister in Budapest, where he was successful in an airplane competition. Shortly afterwards, he returned Zagreb and took employment in the business of Slavolj ...
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Penkala 1910 Biplane
The 1910 Penkala Biplane also called the Leptir ( en, Butterfly) was the first aircraft to fly in Croatia. Design and development The Leptir was a single engine, sesquiplane aircraft with conventional landing gear. The open girder fuselage provides an unusually long distance to the tail surfaces, compared to modern aircraft. The flat bottom surface of the fuselage was covered, forming a long thin triangular surface intended to provide lift, which was not functional in level flight. The aircraft was tail heavy with a center of gravity at 70 percent of wing chord. Operational history The first flight occurred on 22 June 1910 with pilot Dragutin Novak. The aircraft was crashed several months later. Variants ;1910 Biplane :Original design ;1910 Leptir II :Modifications to include skids ;2010 CA-10 Replica :Replica aircraft - Powered by Rotax 912 The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbo ...
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TOZ Penkala
TOZ Penkala (full hr, Tvornica olovaka Zagreb, meaning ''Zagreb pencil factory'') is a Croatian manufacturing company of stationery products, based in Zagreb. It is a leading manufacturer of school and office accessories in Central and Southeast Europe. The company's operations were restarted in 2016, after a brief period of inactivity. History The company was established in 1937. From a small plant for the manufacture of pencils and pastels has grown into today's modern joint-stock company with a long tradition in the production of school and office accessories. The tradition of writing utensils in Zagreb reaches to the past thanks to the work of Slavoljub Eduard Penkala, one of the region's leading inventors of 20th century, in 1906. He patented and started with production of mechanical pencil and in 1907 with the fountain pen A fountain pen is a writing instrument which uses a metal nib to apply a water-based ink to paper. It is distinguished from earlier dip pen ...
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Edmund Moster
Edmund is a masculine given name or surname in the English language. The name is derived from the Old English elements ''ēad'', meaning "prosperity" or "riches", and ''mund'', meaning "protector". Persons named Edmund include: People Kings and nobles *Edmund the Martyr (died 869 or 870), king of East Anglia *Edmund I (922–946), King of England from 939 to 946 *Edmund Ironside (989–1016), also known as Edmund II, King of England in 1016 *Edmund of Scotland (after 1070 – after 1097) *Edmund Crouchback (1245–1296), son of King Henry III of England and claimant to the Sicilian throne *Edmund, 2nd Earl of Cornwall (1249–1300), earl of Cornwall; English nobleman of royal descent *Edmund of Langley, 1st Duke of York (1341–1402), son of King Edward III of England * Edmund Tudor, earl of Richmond (1430–1456), English and Welsh nobleman *Edmund, Prince of Schwarzenberg (1803–1873), the last created Austrian field marshal of the 19th century In religion * Saint Edmund (dis ...
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1906
Events January–February * January 12 – Persian Constitutional Revolution: A nationalistic coalition of merchants, religious leaders and intellectuals in Persia forces the shah Mozaffar ad-Din Shah Qajar to grant a constitution, and establish a national assembly, the Majlis. * January 16–April 7 – The Algeciras Conference convenes, to resolve the First Moroccan Crisis between France and Germany. * January 22 – The strikes a reef off Vancouver Island, Canada, killing over 100 (officially 136) in the ensuing disaster. * January 31 – The Ecuador–Colombia earthquake (8.8 on the Moment magnitude scale), and associated tsunami, cause at least 500 deaths. * February 7 – is launched, sparking a naval race between Britain and Germany. * February 11 ** Pope Pius X publishes the encyclical '' Vehementer Nos'', denouncing the 1905 French law on the Separation of the Churches and the State. ** Two British members of a poll tax collecting expedi ...
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Fountain Pen
A fountain pen is a writing instrument which uses a metal nib to apply a water-based ink to paper. It is distinguished from earlier dip pens by using an internal reservoir to hold ink, eliminating the need to repeatedly dip the pen in an inkwell during use. The pen draws ink from the reservoir through a feed to the nib and deposits the ink on paper via a combination of gravity and capillary action. Filling the reservoir with ink may be achieved manually, via the use of an eyedropper or syringe, or via an internal filling mechanism which creates suction (for example, through a piston mechanism) or a vacuum to transfer ink directly through the nib into the reservoir. Some pens employ removable reservoirs in the form of pre-filled ink cartridges. History Early prototypes of reservoir pens According to Qadi al-Nu'man al-Tamimi (d. 974) in his ''Kitab al-Majalis wa 'l-musayarat'', the Fatimid caliph Al-Mu'izz li-Din Allah in Arab Egypt demanded a pen that would not stain his h ...
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