- Subject
- Surveying
- Item type
- Object
- Makers
- Butterfield
- Provenance
- Presented by Lewis Evans.
- Primary inscriptions
- 'BVTTERFIELD A PARIS'
- Physical material
- Brass
- Dimensions
- Height: 258mm Width: 360mm Depth: 290mm Weight: 1.6kg
- Inventory No
- 46250
- Accession Number
- 1924-0/part
Description
Two pairs of detachable sights. Sectoral scales of equal parts, planes, polygons, chords, solids and metals; artillery scales of calibre and diameter and weight of shot. Attachment for plummet. Ball-and-socket joint for mounting on staff or tripod.
