AA-2026-0F7FF3
On the image
A solitary street light casts its particular greenish-blue aura into the twilight, a signal that the sun has ceased its efforts and human engineering has taken over. This was the colour of artificial night in the 1970s, a reliable, if somewhat stark, beacon designed to make sure nobody tripped over a squirrel.
The utility pole, a vertical assertion of purpose, stands ready to deliver power along its network of wires to places that would otherwise be simply dark. It represents a confidence in the future, where every street corner deserved its own personal, glowing orb.
It illuminates a small, specific circle, ignoring the vast, indifferent landscape around it. The technology, while groundbreaking for its era, had a singular focus: converting electricity into precisely this shade of necessary-but-uninspired light.
The historian's note
This image captures a typical utility pole and street light assembly from the 1970s. The fixture appears to be a mercury vapour lamp, commonly used for street lighting during this period due to its efficiency and long lifespan compared to incandescent bulbs.
Mercury vapour lamps produce a distinct bluish-green light, which was a characteristic feature of nighttime illumination in many urban and suburban areas of North America and Europe throughout the mid-20th century. This technology represented a significant step forward in municipal lighting, providing increased visibility and public safety.
Such infrastructure was a ubiquitous component of developed landscapes, reflecting the expansion of electrical grids and public services in the post-war era. The scene illustrates a common aspect of everyday life and technological development during the decade.
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1970s Mercury Vapour Street Light on Utility Pole, Evening. 1970–1979. Archive & Atlas, Historical Image Library, AA-2026-0F7FF3. https://thearchive.archiveandatlas.com/library/1970s-mercury-vapor-street-light-on-utility-pole-evening.
@misc{aaAA20260F7FF3,
title = {1970s Mercury Vapour Street Light on Utility Pole, Evening},
year = {1970–1979},
howpublished = {Archive \& Atlas, Historical Image Library},
note = {Accession AA-2026-0F7FF3},
url = {https://thearchive.archiveandatlas.com/library/1970s-mercury-vapor-street-light-on-utility-pole-evening}
}TY - ART TI - 1970s Mercury Vapour Street Light on Utility Pole, Evening PY - 1970–1979 PB - Archive & Atlas, Historical Image Library AN - AA-2026-0F7FF3 UR - https://thearchive.archiveandatlas.com/library/1970s-mercury-vapor-street-light-on-utility-pole-evening ER -
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