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Photographic grey, also known as works grey, was a paint scheme commonly applied to steam locomotives during the period before colour photography became commonplace. It was applied to allow sharper, more detailed images of the locomotive to be recorded.
Rain, Steam, and Speed – The Great Western Railway is an oil painting by the 19th-century British painter J. M. W. Turner. [1] The painting was first exhibited at the Royal Academy in 1844, though it may have been painted earlier. [i] It is now in the collection of the National Gallery, London.
The Union Pacific heritage fleet includes commemorative and historic equipment owned by the Union Pacific Railroad.The fleet currently consists of two historic steam locomotives, three historic diesel locomotives, seventeen modern diesel locomotives in historic or commemorative paint schemes and nearly four dozen passenger cars used on office car specials and excursion trains.
A charcoal and ochre cave painting of Megaloceros from Lascaux, France. Paint was used in some of the earliest known human artworks. Some cave paintings drawn with red or yellow ochre, hematite, manganese oxide, and charcoal may have been made by early Homo sapiens as long as 40,000 years ago. [5]
Steam is used across multiple industries for its ability to transfer heat to drive chemical reactions, sterilize or disinfect objects and to maintain constant temperatures. In the lumber industry, steam is used in the process of wood bending, killing insects, and increasing plasticity. Steam is used to accentuate drying of concrete especially ...
Most of the engines now in use with Union Pacific have been "patched", where the SP logo on the front is replaced by a Union Pacific shield, and new numbers are applied over the old numbers with a Union Pacific sticker, however some engines remain in Southern Pacific "bloody nose" paint.
The first three (Nos 4500–4502) were built as oil-burning steam locomotives in 1942 for Frisco passenger service. [1] They were painted in the zephyr blue, white and gray paint scheme with "Meteor" spelled out on the side of the tender in bold, red letters. [1] They were used for pulling Frisco's crack Meteor train service. [1]
Modern processes use heat or steam to produce refined varieties of oil with fewer impurities, but many artists prefer cold-pressed oils. [8] Other vegetable oils such as hemp , poppy seed , walnut , sunflower , safflower , and soybean oils may be used as alternatives to linseed oil for a variety of reasons.