Description
Mary Hallock-Greenewalt played the piano with the Philadelphia and Pittsburgh Orchestras as a concert soloist, invented her own color organ that she called a 'Sarabet' after her mother, and, in her pursuit of the art she named 'Nourathar' by combining the Arabic words for 'essence of light,'she had to invent the machinery required as well. Numbered among her inventions are the rheostat that allos the gradual fading of light, the mercury switch, and was among the earliest developers of colored ge
Details
Publisher - Wildside Press LLC
Language - English
Perfect Bound
Contributors
By author
Mary Hallock-Greenewalt
Published Date - 2023-01-17
ISBN - 9781434423146
Dimensions - 15.2 x 22.9 x 2.2 cm
Page Count - 388
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