Linked from
The 67 pages that link to Surveying, each with the reason it gives.
Jacob’s staffNarrower topic: Surveyors used the staff to estimate distances and angles in the field.
Plane tableNarrower topic: Plane tables are instruments within the broader practice of surveying.
GraphometerNarrower topic: This is the principal field in which graphometers were used.
Level staffNarrower topic: Level staffs are tools used to measure elevation in surveying.