- 1Reference: IG7/26
Title: Brookhirst Switchgear Ltd, Chester
Level of description: series
Date Free Text: 1954-1966
Production date: From: 1954 To: 1966 - 2Reference: IG6/7/6/10
Title: Itercom Vol VI No 10 includes: - an appreciation of Dermot W Kent p8-9 - article and pictures on ...
Level of description: item
Date Free Text: October 1953
Production date: From: 1953 To: 1953 - 3Reference: IG6/7/10/12
Title: Intercom Volume X No. 12.
Level of description: item
Date Free Text: December 1957
Production date: From: 1957 To: 1957