ZUM4906307: Jan. 01, 1954 - Demonstration Of Qualities Of Secondite: A demonstration of the exceptional qualities of Secondite to resist fire and acids and as an insulting material; when used as a building material, as a filter to separate light oils from water, in the protection of tanks against explosion; and to dispense with a patrol pump or carburator in the standard petrol engine, was held today at Marylebone Goods Station. -Secondite, which was invented by Angelo Secundi, an Italian, is a name which has been given to rice hulls after they have been treated by a patent process. After this treatment, Secondite is an inorganic of a very high silica content / Bridgeman Images
UTD4906509: Europe, France, Lourdes, pilgrim, pilgrimage, religion, history, historical, 1910s, 1920s, 20th century, archive, Carl Simon, exquisit collection : medieval, front, architecture, building, entrance, tower, belfry, gothic, hand coloured glass slide, Simon, Carl (1873-1952) / Bridgeman Images