The Ahearn and Soper Co.
Title
The Ahearn and Soper Co.
Ahern & Soper
Type
Company
Subject
| Image | Name | Function |
|---|---|---|
 |
Terminal, computer | nan |
 |
Relay | TO PASS THE TELEGRAPH SIGNAL FROM ONE PART OF THE... |
 |
Relay | TO PASS A TELEGRAPH SIGNAL FROM ONE PART OF THE... |
 |
Sounder | A DEVICE THAT CONVERTS ELECTROMAGNETIC CODE IMPULSES INTO SOUND. |
 |
Combination set, telegraph | INSTRUMENTS DESIGNED TO TRANSMIT & RECEIVE MORSE CODED SIGNALS. |
 |
Box, call | A DEVICE THAT TRANSMITS CODED MESSAGES |
 |
Relay | A DEVICE THAT OPENS OR CLOSES AN AUXILIARY CIRCUIT UNDER... |
 |
Relay | A DEVICE THAT OPENS OR CLOSES AN AUXILIARY CIRCUIT UNDER... |
 |
Relay | A DEVICE WHICH OPENS OR CLOSES AN AUXILIARY CIRCUIT UNDER... |
 |
Switchboard | nan |
 |
Galvanometer | AN INSTRUMENT FOR DETECTING OR MEASURING A SMALL ELECTRIC CURRENT... |
Begin Date
1882-01-01
Active Until
1956-01-01
Location
Ottawa, ON
Product Areas
Electronics
Activities
Supplying
Importing
Timeline
- 1882 – Mr. T. Ahearn and Mr. Soper form a business partnership. (Fraser, 831)
- 1956 – Representing Eitel-McCollough Inc. (San Bruno, California, USA) selling tubes, klystrons, located in Ottawa, ON (“Eimac ceramic tubes…”)
- 1956 – Representing Eitel-McCollough Inc. (San Bruno, California, USA) selling tubes, klystrons, located in Ottawa, ON (“Eimac ceramic tubes…”)
Sources
“Eimac ceramic tubes open up new horizons” Electronics and Communications - Directory and Buyer’s Guide (December 1956) (https://worldradiohistory.com/CANADA/Electronics-and-Communication/Electronics-&-Communications-1956-12.pdf): 9
Fraser, Alexander. A History of Ontario (Toronto: Canada History Co., 1907)
Fraser, Alexander. A History of Ontario (Toronto: Canada History Co., 1907)
Collection
Citation
“The Ahearn and Soper Co.,” Precision Instrument Culture in Canada, accessed November 18, 2024, http://omeka.uottawa.ca/instrument-precision/items/show/4561.
Position: 168 (3 views)