• Reference
    IG7/26
  • Title
    Brookhirst Switchgear Ltd, Chester
  • Date free text
    1954-1966
  • Production date
    From: 1954 To: 1966
  • Admin/biog history
    Brookhirst had been purchased by Metal Industries some time before Igranic was bought by Metal Industries in 1942. Brookhirst catalogue sheets continued to be used by Brookhirst Igranic Ltd after 1959.
  • System of arrangement
    Catalogue sheets were issued and updated at various intervals and reps and customers were expected to update their catalogues as necessary. .
  • Level of description
    series