neckar

f; = Marbach am Neckar

SUBJECT AREA: Automotive engineering, Land transport

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The son of a baker, his youthful interest in technical affairs led to his being apprenticed to a gunsmith with whom he produced his apprenticeship piece: a double-barrelled pistol with a rifled barrel and "nicely chased scrollwork", for which he received high praise. He remained there until 1852 before going to technical school in Stuttgart from 1853 to 1857. He then went to a steam-engineering company in Strasbourg to gain practical experience. He completed his formal education at Stuttgart Polytechnik, and in 1861 he left to tour France and England. There he worked in the engine-shop of Smith, Peacock \& Tanner and then with Roberts \& Co., textile machinery manufacturers of Manchester. He later moved to Coventry to work at Whitworths, and it was in that city that he was later involved with the Daimler Motor Company, who had been granted a licence by his company in Germany. In 1867 he was working at Bruderhaus Engineering Works at Reutlingen and in 1869 went to Maschinenbau Gesellschaft Karlsruhe where he became Manager and later a director. Early in the 1870s, N.A. Otto had reorganized his company into Gasmotorenfabrik Deutz and he appointed Gottlieb Daimler as Factory Manager and Wilhelm Maybach as Chief Designer. Together they developed the Otto engine to its limit, with Otto's co-operation. Daimler and Maybach had met previously when both were working at Bruderhaus. In 1875 Daimler left Deutz, taking Maybach with him to set up a factory in Stuttgart to manufacture light, high-speed internal-combustion engines. Their first patent was granted in 1883. This was for an engine fuelled by petrol and with hot tube ignition which continued to be used until Robert Bosch's low-voltage ignition became available in 1897. Two years later he produced his first vehicle, a motor cycle with outriggers. They showed a motor car at the Paris exhibition in 1889, but French manufacturers were slow to come forward and no French company could be found to undertake manufacture. Eventually Panhard and Levassor established the Daimler engine in France. Daimler Motoren GmbH was started in 1895, but soon after Daimler and Maybach parted, having provided an engine for a boat on the River Neckar in 1887 and that for the Wolfert airship in 1888. Daimler was in sole charge of the company from 1895, but his health began to decline in 1899 and he died in 1900.

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SUBJECT AREA: Mining and extraction technology

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Having studied law at the University of Erlangen, he became Confidential Secretary to the Prince of Hohenlohe-Ingelfingen, in whose territory his father had been in charge of a saltworks. When this small country fell to Württemberg in 1806, Glenck continued his mineralogical and geological studies in order to develop methods of finding deposits of salt. He was the first to carry out systematic large-scale salt explorations in Germany, mostly in southern and central parts, and achieved remarkable results that far exceeded former non-systematic findings. He worked either on behalf of governments or companies or at his own risk, and in the early 1820s he settled in Gotha to live in the centre of the regions of greatest interest to him.

His career began in 1819 with the discovery of the deposits of Ludwigshall near Wimpfen, Neckar, and prospecting salt near Basel in 1836 was his greatest success: Schweizerhall, opened one year later, made Switzerland self-sufficient in salt production. For fifteen years he had invested large sums into this project, which became the fifth salt-works to come into existence due to his drilling. Glenck worked with stir rods and he developed several new technical devices, such as casing the bore holes with iron pipes instead of wood (1830), and using wooden instead of iron rods to reduce the weight (1834). A flexible connection between rod and drill was to be introduced later by Karl von Oeynhausen. One of Glenck's most important followers in the field of deep-drilling was K.G. Kind.

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SUBJECT AREA: Medical technology

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Although Sanctorius had taken measurements of body temperature and indeed advocated detailed quantitative bio-measurement, the concept of fever as a disease sui generis still held sway during the early eighteenth century. Wunderlich, in his practice at Leipzig, demonstrated that fever was merely a symptom, however variable its presentation. It has been said that "he found fever a disease and left it a symptom".

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