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Viser resultater for "elisha gray"

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Viser 1 - 8 af 8 resultater

Voksenindhold er synligt. 

2026

EN

"Familiar Talks on Science: World-Building and Life; Earth, Air and Water" by Elisha Gray is an engaging exploration of scientific concepts presented in an accessible manner. Gray, known for his contributions to electrical engineering, delves into the fundamental elements of our environment, discussing the intricate relationships between earth, air, and water. Through a series of dialogues, he aims to demystify complex scientific ideas, making them relatable to everyday life. This book ser...

Electricity and Magnetism

Enriched edition. Foundational Laws, Practical Applications, and the Late-19th-Century Revolution in Electromagnetism

2022

EN

In "Electricity and Magnetism," Elisha Gray presents a comprehensive exploration of the fundamental principles governing these two intertwined forces of nature. The book delves into the scientific laws and phenomena related to electricity and magnetism, employing a didactic style that merges rigorous analytical discourse with practical applications. Gray's work is situated within the context of the late 19th-century scientific revolution, a time when the understanding of electromagnetism w...

Electricity and Magnetism

Enriched edition. Exploring the Interconnected World of Electromagnetism and Innovation

2019

EN

In "Electricity and Magnetism," Elisha Gray presents a comprehensive exploration of the fundamental principles governing these two intertwined forces. The book employs a meticulous blend of theoretical exposition and practical experimentation, emphasizing clarity and accessibility for its readers. Gray's writing resonates with the scientific spirit of the late 19th century, a period characterized by rapid technological advancement and an insatiable curiosity about the natural world. His wo...

Familiar Talks on Science: World-Building and Life; Earth, Air and Water

Enriched edition. Unveiling the Secrets of Nature: A Journey Through Earth, Air, Water

2019

EN

Elisha Gray's "Familiar Talks on Science: World-Building and Life; Earth, Air and Water" presents an engaging exploration of scientific principles through accessible discourse. Gray adopts a conversational literary style, aiming to bridge the gap between complex scientific concepts and lay understanding. The book delves into the interconnectedness of the natural elements, effectively engaging readers in discussions that highlight the beauty and intricacies of earth, air, and water while em...


2000

EN

The invention of the telephone is a subject of great controversy, central is which is the patent issued to Alexander Graham Bell on March 7, 1876. Many problems and questions surround this patent, not the least of which was its collision in the Patent Office with a strangely similar invention by archrival Elisha Gray. A flood of lawsuits followed the patent's issue; at one point the government attempted to annul Bell's patent and launched an investigation into how it was granted. From cour...

204,29 kr.

Electricity and Magnetism (Summarized Edition)

Enriched edition. An accessible, analytical guide to electricity, magnetism, their interplay, and practical uses with historical, technological insights

2026

EN

Electricity and Magnetism, a volume in Elisha Gray's Nature's Miracles series, offers a lucid, apparatus-centered tour of charge, current, induction, and magnetic action. Interweaving historical vignettes—Volta, Faraday's lines of force, Maxwell's field picture—with plainspoken demonstrations and crisp woodcuts, Gray moves from benchtop effects to power stations. Eschewing heavy mathematics, he shows how dynamos, transformers, telegraph circuits, and early telephones enact the same field l...

15,00 kr.

2022

EN

A fascinating illustrated biography about Elisha Gray, the second person to invent the telephone.Elisha Gray may not have received a patent for inventing the telephone, but he still made huge advances in the technology people use to communicate. Despite never completing a formal education, failing as a dairy farmer, and possibly having the plans for his best invention stolen by his rival, Alexander Graham Bell, Elisha still went on receive 70 patents for a variety ...

The Harmonic Telegraph: The Forgotten Submarine Telephone

Elisha Gray, Acoustic Frequencies, and the Bitter Patent War That Birthed Global Telecommunications

2026

EN

History universally credits Alexander Graham Bell with the invention of the telephone, but the true mechanical foundation of voice transmission was laid by an obscure, brilliant inventor named Elisha Gray. The story of the harmonic telegraph is a thrilling saga of corporate espionage, patent office corruption, and acoustic genius. In the 1870s, Western Union desperately needed a way to send multiple telegraph messages over a single wire simultaneously. Gray realized that by using different...

39,00 kr.