Express delivery

Dave Mellor NJ

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Can only back up so much
 

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Industrial Landscape History Nerd Alert:
Note the two “gasometers” at the horizon. I dont know where this photo was taken , but there were two like this, side by side, in Queens, NY, when I was a child. Sometimes they were very tall, other times the huge tanks were submerged into the earth with just their top surfaces visible, leaving their iron frame clearly outlined against the sky. My father said they contained the gas that was piped to our house to run the stove. The part that flummoxed me: he said when they’re down it means they’re almost empty. When they’ve shuttled upwards within the iron cage it meant they were full. But why would they go up when full? Wouldn’t the weight of the gas pull them down, not up? “They float” was his answer, and it remained a mystery to me until I was in my 60’s. I saw a video from the UK (they were big on gasometers) which explained the huge tanks were more like caissons - they were open on the bottom, and floated on water. When a greater volume of gas was pumped in the gas forced the tank to rise, and vice-versa. The name gasometer suggests “gas measuring tool”. And indeed, the Brooklyn-Union Gas people could tell by the markings on the sides of the tanks the remaining volume of gas therein.
They’re gone now, and no longer used a landmark for traffic reports like “heavy rubbernecking delays near the gas tanks due to a fender bender.”
I wonder wheee the gas inventory is stored nowadays?
 
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In the late '70's, my company designed and built a coke oven byproducts plant for Republic Steel in Chicago. Part of the system was what we called a gas holder like what you described for storing coke oven gas, which was diluted methane. I doubt another by products plant has been built since, so I don't know if there are any more recent than that. I'll ask a refinery industry friend.
 
I looked at those tanks thinking they had staging all around them.Looks like there was only a little bit of construction going on in that picture.
 
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