Diagram Of 4-6-4 Or Hudson Type Passenger Locomotive Blueprint For Sale
The 4-6-4 or Hudson Type Passenger Locomotive Blueprint Drawing is approximately 26 inches by 30 inches. We will ship in a cardboard roll.
We are not sure the age of these documents (appear clean as they were found in cardboard rolls). They are blueprints in the most common form. Our corporation purchased a large closed printing / blueprint company in Chicago, Illinois, along with all the machinery and all inventory therein. Among the large inventory were numerous blueprints, including, but not limited to, the items listed for sale.
Blueprints are prints made on a specially prepared substrate such as cotton, paper, or Mylar. The material on which the blueprints are made is coated with a light sensitive solution. When exposed, the solution sets into a dark blue color, leaving the unexposed portions white. The result is a traditional blueprint, also called a cyanoprint, a design in white against a blue background. Blueprints are used in architectural designs such as renderings for houses and ships, and the term is also used more generally to refer to a detailed and precise plan.
Contact printing is used to produce blueprints. First, a drawing is made on tracing paper, cloth, or another material which is transparent, allowing light through. The drawing is positioned over material soaked in a blueprint solution, and then exposed to a bright light. The resulting blueprint is chemically fixed and washed to remove chemical traces. It will be resistant to fading and marking, and is usually made on a durable material which can be rolled up and easily transported between offices and job sites.
The solution used to coat the substrate for blueprints is made from potassium ferricyanide and ammonium ferric citrate. It was developed by Sir John Herschal, a British astronomer, in the mid 1800s. The chemicals will react with bright light to form ferric ferrocyanide, an insoluble blue pigment. Potentially, numerous blueprints could be made from a master drawing and easily distributed, at a cost much lower than that of conventional photographic reproduction. THIS ITEM WOULD MAKE A FANTASTIC HOLIDAY GIFT!!! WE COMBINE SHIPPING AND SHIP INTERNATIONALLY INTERNATIONAL RATES APPLY SEE ALSO OUR OTHER ITEMS Make sure you read the detailed information about our prints and the printing process. Blueprints are, in essence, copies of an original vellum or sketch. These are not original hand drawings, they are blueprints.
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Diagram Of 4-6-4 Or Hudson Type Passenger Locomotive Blueprint: $20