northernelectric
6 photos tagged northernelectric, from 3 members of Flickr Commons.
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Where were these photos tagged?
50% of these photos are geotagged.
Related tags
Tags that often appear on the same photos:
- 1940s
- nortel
- industries
- ks15676
- antennadivision
- rohr
- bellsystem
- hornantenna
- aerialphotographs
- plants
- factories
- cars
- manufacturing
- telephones
- women
- employees
- electronicequipment
- canada
- alberta
- consumergoods
- advertising
- advertisement
- exhibitions
- johnsonbroselectric
Members using this tag
Photos
Photos tagged northernelectric:
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Recent uploads
The last upload was 30 January.
26_0049216 Rohr Collection Image from SDASM Archives uploaded 30 January
26_0043237 Rohr Collection Image from SDASM Archives uploaded 30 January
Product display at the 1956 Edmonton Exhibition from Provincial Archives of Alberta uploaded June 2024
HC01315 from Community Archives of Belleville & Hastings County uploaded June 2017
HC01314 from Community Archives of Belleville & Hastings County uploaded June 2017
HC00379B from Community Archives of Belleville & Hastings County uploaded May 2017
Conversations
Here’s a selection of the conversations happening on these photos:
26_0043237 Rohr Collection Image
from SDASM Archives
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Chuck Walla said:
These are apparently Rohr's effort to make horn antennas for the Bell System. These were an artifact of five nines reliability. Most of the 3500-4000 MHz links these carried have been transitioned to (reliable) fiber.
In a WalMart culture, where everyone is trying to get something for nothing, there's no room for five nines reliability.
Suggested reading: Sagan, Scott, The limits of Safety: Organizations, Accidents, and Nuclear Weapons
Installed horn antennas: