
1) Civil engineering term
Found on
https://www.crosswordclues.com/clue/ranging-rod

Ranging Rod is an surveying instrument used for marking the position of stations and for sightings of those stationsas well as for ranging the straight lines. Initially these were made of light, thin and straight bamboo or of well seasoned wood such as teak, pine or deodar and were shod with iron at the bottom and surmounted with a flag about 25 c...
Found on
http://en.wikipedia.org/wiki/Ranging_rod

a 6� wooden pole which has a steel point at one end which is used as a temporary marker the agreed, or offered, cost of providing a unit of an item (i.e. an hour`s labour)
Found on
http://www.encyclo.co.uk/local/20695

A long slender section of timber marked to identify the position of brick and block courses or any other part of the construction. It is basically a measuring stick.
Found on
http://www.encyclo.co.uk/local/20704

A six-foot wooden pole that has a steel point at one end which is used as a temporary marker.
Found on
https://www.encyclo.co.uk/local/20694

Section of timber marked to identify the position of brick and block courses or any other part of the construction
Found on
https://www.encyclo.co.uk/local/20697
No exact match found.