Edisons Concrete Piano

As his biographer Robert Conot has pointed out, some of Thomas Alva Edison's most important inventions were serendipitous offshoots of research into.
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He envisioned a future with concrete houses filled with concrete furniture, refrigerators, and pianos. He decided to donate the patented information to qualified builders rather than charge for it, generating significant publicity in the process. Philanthropist Henry Phipps, Jr.

One of the main difficulties facing the project was its complexity. Each house would be constructed using a mold that comprised 2, pieces, and the cost to a builder purchasing the molds was excessive.

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Nonetheless, some houses were built when investor Charles Ingersoll financed Frank Lambie's plans. Lambie constructed several concrete houses in Union, New Jersey , where they are currently still in use.

The Edison Portland Cement Company was barely surviving financially until a new contract was won in During the course of the construction 45, barrels of cement, 30, cubic yards of gravel, and 15, cubic yards of sand were mixed by men who produced 35, cubic yards of concrete. The stadium was closed for several years of renovations from , reopening in From then it remained in use until ; the new Yankee Stadium opened the following April. It was demolished in The contribution of Thomas Alva Edison to modern life is so enormous that it is difficult to appreciate! He registered a grand total of 1, patents, including numerous telegraph machines, the first voice recording and playback system, the phonograph and subsequent improvements, and the first moving-picture camera.

His most famous invention, the practical light bulb, was accompanied by a multitude of lesser-known technical devices and equipment that needed to be developed in order to produce electricity on a grand scale.

He also made significant contributions to the development of the typewriter, batteries, X-ray plates, electric cars, trains and railways, electric pens, fire alarms, warning lights, gas masks, underwater devices for submarines, electroplating and the concrete piano! Your eyes are not deceiving you, and this is no April Fools!

Edison did indeed envision a piano made of concrete, although it was never patented. By , Edison had formed the Edison Ore-Milling Company, which employed a number of his invented ore crushing technologies. Despite continual investment in the business, the company eventually failed to the tune of several hundred million dollars. However, the manufacturing process used by the Ore-Milling Company produced large quantities of fine sand, particularly suited for the production of concrete.