Measured Survey
Date 13 December 2016
Event ID 1129850
Category Recording
Type Measured Survey
Permalink http://canmore.org.uk/event/1129850
HES surveyed Blockhouse No.9, Portkil Battery (landward defences Position No.5) with plane-table and alidade on 13 December 2016 at a scale of 1:100. The resultant plan was redrawn in vector graphics software at a scale of 1:250.