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Actions	Details Remove from selection Add to selection Title 'Monitored Earth Systems' Reference UK0108 NAEST 137/1/3 Date 1954-1957 Scope and Content Correspondence, papers re monitored earth circuit breakers, BSI draft specification, correspondence with Siemens re their circuit breakers, Gilbert's advice to Siemens re various matters connected with circuit breakers especially units for Messrs Fords and Birlec Ltd. Physical description Number of pieces: 39 Language English. Persons keyword Siemens Brothers and Company Ltd, Birlec Ltd, Nalder Brothers & Thompson Conditions governing access Open access Level of description file Hierarchy browser 110000001 NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY contains 322 parts UK0108 NAEST 137 Papers of Thomas Charles Gilbert (1888-1958) and Gilflex Ltd contains 6 parts UK0108 NAEST 137/1 Earth Leakage and Protection contains 7 parts UK0108 NAEST 137/1/3 'Monitored Earth Systems' contains 39 parts

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Title
'Monitored Earth Systems'
Reference
UK0108 NAEST 137/1/3
Date
1954-1957
Scope and Content
Correspondence, papers re monitored earth circuit breakers, BSI draft specification, correspondence with Siemens re their circuit breakers, Gilbert's advice to Siemens re various matters connected with circuit breakers especially units for Messrs Fords and Birlec Ltd.
Physical description
Number of pieces: 39
Language
English.
Persons keyword
Siemens Brothers and Company Ltd, Birlec Ltd, Nalder Brothers & Thompson
Conditions governing access
Open access
Level of description
file

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