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- 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
- Collection:
- Communication/Radio/Television
- Description:
- Two page typewritten letter from Walter E. Morrison, president of the Dow Portable Electric Assistant Company of Braintree, Massachusetts to the Electric Service and Appliance Company on 166 Randolph Street, dated November 27, 1901, written in reply to a previous letter from the company. Morrison responds that they do not generally carry three, four, or five inch Rhumkorff coils, however they can specially manufacture them given some further information about what voltage it will carry and whether they will be run by battery or generator. Morrison adds that they have enclosed a catalogue of automotive goods as well. Morrison closes with his signature. The first page is printed on Dow Portable Electric Assistant Company letterhead, which includes an engraving of a portable receiver built into a carrying case.
- Date Issued:
- 1901-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Communication/Radio/Television
- Description:
- Postal Telegraph Cable Company telegram sent by Foote, Pierson and Company of New York to Thomas E. Clark at 9:51 a.m. on May 10, 1902 requesting his presence at a meeting of the Board on Wireless Telegraphy in Washington on Monday morning. The date originally read May 20, but was corrected by hand to read 10. The verso contains the Postal Telegraph Cable Company's terms and conditions.
- Date Issued:
- 1902-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Communication/Radio/Television
- Description:
- Letter and envelope from Allen R. Green of the Mutual Life Insurance Company of Canton, New York to the Thomas E. Clark Wireless Telegraph Co. of 71 Michigan Avenue, dated July 27, 1903. In a very brief message, Green requests a circular showing Clark's Wireless Telegraph Apparatus and containing price quotes. The envelope is printed with the address of T. Howard Lewis, the manager of the Mutual Life Insurance Company of New York in Albany, New York.
- Date Issued:
- 1903-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Communication/Radio/Television
- Description:
- Sepia half-toned photo showing an antenna atop the Banner Laundry building on the southeast corner of Michigan Avenue and Washington Boulevard. City Hall, the Wayne County Building, and the Majestic Building stand in the background. The photo is captioned, "Clark Wireless System," along the bottom of the recto. Taped onto the verso is another caption reading, "Antenna on top of the Banner Laundry Building where Tom Clark had his experimental laboratory." Written in pencil underneath is: "1901. 73/75 Michigan bet Washington & Shelby" Photo is mounted on cardboard.
- Date Issued:
- 1901-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Communication/Radio/Television
- 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
- Collection:
- Communication/Radio/Television
- Description:
- Typewritten letter from Ernest G. Swift, the manager of Parke, Davis and Company's Canadian laboratory to Thomas E. Clark, of the Electrical Supply and Construction Company dated February 18, 1902. Within Swift tells Clark that due to the expense of running a telegraph cable between Parke, Davis and Company's Canada Branch and its United States Laboratory, he is curious about the cost and range of one of Clark's wireless telegraph systems as an alternative. The letter closes with the signature of Swift. It is printed on Parke, Davis and Company, Canada Branch, Walkerville, Ontario letterhead
- Date Issued:
- 1902-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Collection:
- Communication/Radio/Television
- 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
- Collection:
- Communication/Radio/Television
- Description:
- Typewritten letter from Walter E. Morrison, president of the Dow Portable Electric Assistant Company of Braintree, Massachusetts to the Electric Service and Appliance Company on 166 Randolph Street, dated December 11, 1901, written in reply to a previous letter from the company. Morrison, or someone writing on his behalf states that "our Mr. Morrison" will be leaving on a trip on Friday, but he will call from his trip if possible. Additionally the letter says that there has been a delay in the manufacturing of the six inch park coils which the Electric Service and Appliance Company has ordered. Morrison's signature closes the letter. It is printed on Dow Portable Electric Assistant Company letterhead, which includes an engraving of a portable receiver built into a carrying case.
- Date Issued:
- 1901-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- Sepia half-toned photo showing an antenna atop the Banner Laundry building on the southeast corner of Michigan Avenue and Washington Boulevard. City Hall, the Wayne County Building, and the Majestic Building stand in the background. The photo is captioned, "Clark Wireless System," along the bottom of the recto. Taped onto the verso is another caption reading, "Antenna on top of the Banner Laundry Building where Tom Clark had his experimental laboratory." Written in pencil underneath is: "1901. 73/75 Michigan bet Washington & Shelby" Photo is mounted on cardboard.
- Date Issued:
- 1901-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
