Carl Friedrich Julius Pintsch (6 January 1815 – 20 January 1884) was a German tinsmith, manufacturer and inventor who is primarily known for the invention of Pintsch gas. The gas, distilled from naphtha or other petroleum products, was widely used in railway transport and marine navigation applications from its invention in 1851 until the 1930s.
While the City of Berlin continuously enlarged its gas network in order to supply the growing population, Pintsch received numerous repair orders from the public GASAG utility company. He achieved major success in 1847 with the development of a reliable gas meter that was used by the city administration and would eventually be used worldwide.
In 1851, he created a gas lamp that was suitable for use in . The lamps were illuminated by Pintsch gas, a long-burning mineral oil gas that would remain lit during the rough motion of train journeys. Pintsch gas was essentially purified, compressed gas distilled from naphtha, that was regulated and reduced to ounce per square inch of pressure to the gas burner. Pintsch gas was later replaced by an improved Blau gas for railroad car usage.
Starting in 1863, Pintsch had a large factory built on Andreasstrasse in Berlin, followed by subsidiaries in Dresden, Breslau, Frankfurt, Utrecht and Fürstenwalde. Those plants designed and constructed a wide range of gas-related devices including gas meters, gas pressure regulators, and gas analyzers.
After his death in 1884 in Fürstenwalde, his sons Richard, Oskar, Julius Karl, and Albert inherited the business and became successful in the manufacture of compressed Pintsch gas for use in and unmanned . Products included gas mantle lamps, as well as light used in the Kronstadt Bay and the Suez Canal. In 1907, the business was transformed into a public limited company ( AG). Some branches were later acquired by the Schaltbau Group.
In several railway accident, Pintsch gas lamps added fuel to any fire which started, for example in the Thirsk rail crash (1892), the Sunshine rail disaster (1908), the Quintinshill rail disaster (1915), and the Dugald rail accident (1947).
Electricity eventually replaced Pintsch illumination on railroad cars.
In 1884, the Pintsch company demonstrated its system as part of a trial of different lighthouse illuminants conducted on the cliffs by the South Foreland Lighthouses. After the trials, the Corporation of Trinity House purchased the associated gasworks and re-erected it at their Blackwall depot to manufacture Pintsch gas for its own use. In the following year, they established the first of a number of illuminated buoys and unattended beacons on the Thames Estuary using the system. By 1886, over 200 Pintsch gas-lit buoys, beacons, lighthouses and lightships were operational, in North and South America, Australia, and around the coasts of Europe, as well as on the Suez Canal. The automatic apparatus used in Pintsch gas beacons enabled them to be installed in relatively inaccessible locations, or used for 'unwatched' or unattended lights.
Pintsch gas lights continued to be used for navigation into the 20th century, but after the First World War, Pintsch gas began to be superseded by acetylene as the preferred fuel for unattended navigation lights. By the early 1930s, very few buoys or beacons were still being lit by Pintsch gas.
Navigation lights
Electric light
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