Instructions for making out and cancelling Permit to Work cards and Sanction for Testing cards for High Voltage Apparatus
- Made:
- 1970-1979
- maker:
- British Railways Board
Booklet, paper, Instructions for making out and cancelling Permit to Work cards and Sanction for Testing cards for High Voltage Apparatus, issued by British Railways Board (Chief Mechanical & Electrical Engineers' Department). 9pp with speciment forms. Document no. BR 12011/1.
Details
- Category:
- Documents
- Object Number:
- 2010-7193
- Materials:
- paper (fibre product)
- Measurements:
-
overall: 203 mm x 126 mm
- type:
- booklet
- credit:
- B. Lambert
