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- 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
- 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
- Description:
- Typewritten letter sent to Thomas E. Clark of the Electric Service and Appliance Company of 166 Randolph Street from T. Marshall, the general freight and passenger agent of the Lake Erie and Detroit River Railway on July 4, 1902. Marshall expresses that he was impressed with the demonstration of Clark's wireless telegraph during his recent visit to Clark's office. He is interested in testing the system with the Lake Erie and Detroit River Railway railroad car ferry SHENANGO. Marshall closes with his signature. The letter is printed on Lake Erie and Detroit River Railway, Traffic Department letterhead.
- Date Issued:
- 1902-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- 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 at 166 Randolph Street, dated February 21, 1902. Within Swift thanks Clark for providing further information on his wireless telegraph systems, and says he will send one of his telegraph operators or electricians to witness a demonstration. Swift also says he awaits a price for equipping Parke, Davis and Company's Canadian and American laboratories with such a system. 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
- Description:
- Typewritten letter sent to the Clark Electrical Engineering Company from H. Kent McCay, president of the McCay Engineering Company of Baltimore, Maryland on May 30, 1906. In the brief message McCay informs Clark that they will being sending the specifications for wireless telegraph sets for Fort Wood, New York "within a few days." McCay closes with his signature. The letter was printed on McCay Engineering Company letterhead. "Army Navy Paper," has been handwritten in pencil near the bottom left corner of the recto.
- Date Issued:
- 1906-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- Description:
- Sepia-toned photo of wireless sets on draped table. Photo is backed in canvas. On verso is written in pencil "old photo, Wireless Sets War Department Signal Corp-1903. Also on verso is stamped in purple " R.C. Fenton & Co., Photographers, 45 Joy St. Detroit" and "Clark wireless Telegraph-Telephone, Factory, Laboratory and Testing Stations. Detroit, Mich., U.S.A. Bottom left of photo is silvering.
- Date Issued:
- 1903-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- 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
- Description:
- Two page handwritten letter from F.D. Prinniger from the U.S. Navy Wireless Station in Brooklyn, New York, which reads as follows: Operator Clark Wireless Telegraph Co., Buffalo N.Y. Dear Sir:- While on watch last night, Oct. 16th -17th, I was listening to Chicago (Go) and Milwaukee (Mk) working together and was fishing for Manitowoc Wis. (MW) whom I know to be working and I heard the following calls--"CB," "CN," "CU," & "CR." I also heard one which I took for "CS," but which sounded considerably like "St." He was working with "CB." All of these calls came in way clear and easily readable, without strain except for very heavy static. Should judge the wave length as somewhere about 1200 meters, though am not sure, for was using very loose coupling in order to cut out a number of nearby stations and ships. I would like very much to know if these were stations of your system. It is the first time I have happened to hear any of them. Here are parts of a couples messages I was able to copy through the heavy static:- No - CR - Pk = 10 Paid CR 10/16-09 (to) Miss Gladys Hudson #192 Addison Road "CN" Don't know whether this is part of same message or not "_____ every body suck ____ may for _____ love ans. sig. Sidney With only moderate static or with less interference so close at hand would have had no trouble in copying every word. Would be please to learned if such messages were sent by any of your stations and who "CR." is. Sorry we have only a 1 kW. set so could give you a call. Hoping to hear from you. I am Yours truly, F.D. Prinniger, Elict. U.S.N. U.S.N. Wireless Station, Brooklyn New York, NY Both pages are printed on United State Navy Yard, New York, N.Y. letterhead.
- Date Issued:
- 1909-01-01T00:00:00Z
- Data Provider:
- Detroit Historical Society
- 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
