6inch wooden ruler. Measures millimeters, centimeters, decimeters and inches, and also works as a protractor. Belonged to Mr John Armston Vice who was a Generation Operation Engineer at Barking Power Station after it opened in 1925 until 1951.
Light brown wooden ruler with measurements along both edges, marked out in black.
Electricity supply tools
Bar length: 152mm
Bar width: 41.5mm
Social history, Vice collection
Makers Mark Incised On front: CAMBRIDGE E.S.A. LONDON BRITISH MADE
Written In ink by hand On back: Elizabeth Vice
Entry Number 1544/6