Here's another slightly more informative historic advert for Clayton's.
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I think that part of Leeds/Hunslett has been built over but they lived in The Tulip, Beza, and Riley street complex that was adjacent to Claytons works. One of my Uncles was even given Clayton as one of his spare monikers.
When I worked in Leeds in 78/79 I think part of Clayton's was still there and I think there is an old heritage railway that was gifted from of the old Clayton complex and is still there.
My Grandfather helped install the 9 million gallon water tank in Calcutta.
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Hard life but I think it still stands as a testament to the engineering and craftsmanship.
PS
Trammayo - there's a lot more of Yorkshire tyke in than you might think
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.