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Cahill had tremendous ambitions for his invention; he wanted telharmonium music to be broadcast into hotels, restaurants, theaters, and even houses via the telephone line. [3] At a starting weight of 7 tons (and up to 200 tons) and a price tag of $200,000 (approx. $5,514,000 today), only three telharmoniums were ever built, and Cahill's vision ...
Telharmonium console by Thaddeus Cahill 1897. The Telharmonium (also known as the Dynamophone [1]) was an early electrical organ, developed by Thaddeus Cahill c. 1896 and patented in 1897. [2] [3] [4] The electrical signal from the Telharmonium was transmitted over wires; it was heard on the receiving end by means of "horn" speakers. [5]
Minutes of the Annual Meeting of the American Institute of Electrical Engineers. Held at the Engineering Society Building, New York City, Friday evening, May 18, 1917. Timeline of the First Thirty Years of Radio 1895–1925 Archived 2008-03-31 at the Wayback Machine; An important chapter in the Death of Distance. Nova Scotia, Canada, March 14 ...
An auto show, also known as a motor show or car show, is a public exhibition of current automobile models, debuts, concept cars, or out-of-production classics. It is attended by automotive industry representatives, dealers, auto journalists and car enthusiasts. Most auto shows occur once or twice a year.
1916 Owen Magnetic at Crawford Museum. The first Owen Magnetic was introduced at the 1915 New York auto show when Justus B. Entz's electric transmission was fitted to the Owen automobile: "R.M. Owen have leased the large new three story fireproof building at the corner of Fifth avenue and One Hundred and Forty-second street, New York, where they will build the new Owen Magnetic motor cars."
Q-type Queens car (New York City Subway car) No. 1602A (ex-BU 1410), awaiting restoration. R3 Drill Motor No. 41, generator to be installed for 600V power for this and additional cars. MARTA CQ310 No. 510, one of 20 single cars ordered by MARTA. The single cars were not overhauled along with the married pair cars.
Conceived by Austrian artist André Heller, Luna Luna was a “fantastical fairground” that fused real-life carnival attractions with some of the most iconic artists of the time, including a ...
In 1976, the New York City Transit Authority reopened the abandoned Court Street station in Brooklyn as the New York Transit Exhibit, which eventually became the New York Transit Museum (NYTM). [61] The station occasionally was used for tours after its closure, including in 1979 for an event celebrating the subway's 75th anniversary. [63]