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Glover Brothers of Mossley, near Manchester.
1937 Makers of steel wire ropes, aeroplane cables and flexible cords.
1954 Arthur Lee and Sons continued a fruitful association with Glover Brothers (Mossley) Ltd
1958 Transferred to new company Arthur Lee Investments formed to hold trade investments in order to mitigate the effects of any possible renationalisation of the steel industry
Presumably later became Glover Group, maker of aerial ropeways and mechanical handling systems
NB this is not the same as the fruit trader and importer of London with similar name.