#cellarlights
Live, measured metrics for the hashtag #cellarlights from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
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Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 05:02 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-28 05:02 UTCNo related tags with measured usage found for #cellarlights.
Live pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 05:02 UTCEverything below is measured over the latest 4 public posts (spanning ~25018 hours).
Posting hours (UTC)
Languages: English (4)
Avg boosts / post: 4.3
Top of the latest posts
This, I think, is a Hyatt Patent Vault Light. Vault or Cellar Lights were used to help passively bring light into cellars using lenses or prisms. While the square Hayward Prismatic Pavement Lights (patented in 1871) can still be found acros
While the square Hayward Prismatic Pavement Lights (patented in 1871) can still be found across Glasgow, Hyatt Lights with their round lenses are an older version, being patented in 1845, and are much rarer. In fact, the 1854 tobacco wareho
This, I think, is a Hyatt Patent Vault Light. Vault or Cellar Lights were used to help passively bring light into cellars and other rooms below street level before electric lights became common. This was done using specially designed lenses
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/cellarlights