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#manholecovers
#manholecovers
#mundaneartfulness
#manhole
A new one, with a poem, from Göteborg.
@dillyd
#manholecovers
#mundaneartfulness
A couple more I've dug up
@dillyd
Here’s a couple simple ones from Spain, here at bedtime 
#manholecovers
#mundaneartfulness
Prismatic coal hole cover on Hope Street in Glasgow. Coal holes in the street allowed deliveries to coal cellars without having to carry the coal through a building. Prismatic coal hole covers were commonly used allow natural light into the otherwise pitch black cellars. Only a few of the original prisms remain in this particular example.
Prismatic coal hole cover on Hope Street in Glasgow. Coal holes in the street allowed deliveries to coal cellars without having to carry the coal through a building. Prismatic covers were commonly used allow natural light into the otherwise pitch black coal cellars. Only a few of the original prisms remain in this particular example
The water was pressurised in a pumping station at 321 High Street and supplied through thirty miles of pipes below the city's streets.
Glasgow was one of the few cities to have such a high pressure hydraulic system and it operated from the 1890s until 1964.
Can anyone confirm if this is correct? Or provide another explanation?
I've come across a few of these HOP access covers on the streets of Glasgow recently, and I've been struggling to find out what they were for.
My best guess is that they're part of an old hydraulic system which supplied high pressure (HP?) water for running lifts, presses and other machinery.
Cont./
In my defense, I had no idea that #ManholeCoverMonday was a thing here, or I'd have been participating long ago. Bits of artistic infrastructure fascinate me. Here's the first one I could find on my phone, on the grounds of the former #ValleyForge General Hospital, a military hospital now used for a Christian college. I'm not sure which foundry the 'W' represents – it appears to say "Contractors F[oun]dry Inc", and Phila, 1942.
