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- Description:
- Two page typewritten letter from E.J. Sinbeck, head of the Navy's L.D.W.T. Station in Key West, Florida to Thomas E. Clark dated December 18, 1906, regarding contact they made over wireless telegraphy. Sinbeck describes his antennae, suggests that each word be repeated two or three times to account for static and interference, recommends a government book called Lis of Wireless-Telegraph Stations of the World, lists other stations he communicates with, his success in talking to ships up to 200 miles out, and the hours he broadcasts. The letter closes with Sinbeck's signature. The first page is printed on U.S. Naval Station, Key West, Flordia letterhead.
- Date Issued:
- 1906-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- Headquarters Department of the East, Office of the Chief Signal Officer order form letter, filled in with type from Captain G.C. Burnell to The Clark Electrical Engineering Company at 193 Cass Avenue, dated July 6, 1906 providing the proper addressing for an order placed for the company, as well as a note that the government bill of lading will be issued by the Department of the Quartermaster in New York City. Burnell closes with his signature.
- Date Issued:
- 1901-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- Typewritten letter from D. McNicol, the manager of the telegraph office of the Soo Line of the Minneapolis, St. Paul, and Sault Sainte Marie Railway Company to Thomas E. Clark, dated April 11, 1902. In the letter, McNicol agrees the sentiment of Clark in a previous correspondence that mysterious wireless telegraph signals picked up by McNicol in Minneapolis were most likely were not sent by Clark in Detroit. McNicol says he will continue learning and experimenting with wireless telegraphy, and hopes to help monitor for signals from Clark when he uses his "big coil." The letter closes with McNicol's signature. It is printed on Minneapolis, St. Paul, and Sault Sainte Marie Railway Company letterhead. "622 Guaranty Loan Bldg," is handwritten at the bottom.
- Date Issued:
- 1902-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- Typewritten letter from C.A. McAllister, the engineer-in-chief of the Treasury Department's Division of Revenue-Cutter Service to the Clark Wireless Telegraph and Telephone Company at 193-195 Cass Avenue, dated May 27, 1912, concerning both Revenue-Cutter Service Constructor John Q, Walton's role as a delegate to the International Conference on Wireless Telegraphy, and a check for two sets of wireless equipment, which is in the mail. The letter closes with McAllister's signature. The letter is printed on Revenue-Cutter Service letterhead.
- Date Issued:
- 1912-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- Typewritten letter sent to the Clark Electrical Engineering Company from Captain George Sabin Gibbs, of the Signal Corps on June 6, 1906. The message is in regard to order no. 5374 for "six sets of wireless telegraph instruments." Gibbs instructs that the sets should be shipped to the Signal Corps Storeroom in New York City. He adds that the army Quartermaster nearest to Detroit will follow up with specifications regarding shipping. Gibbs closes with his signature. The letter is printed on War Department, Office of the Chief Signal Officer letterhead.
- Date Issued:
- 1906-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- Typewritten letter from Foote, Pierson and Company of New York to Thomas E. Clark, the general manager of Electric Service and Appliance Company, dated May 10, 1902. It contains a brief message asking when Clark would be able to go to Washington. It is printed on Foote, Pierson and Company letterhead. An illegible signature or set of initials is just below the closing.
- Date Issued:
- 1902-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
