![Cairn 4 [working proof 3]](https://api.nga.gov/iiif/ea12b256-528d-4b68-95f2-3cd2739f5dc1/full/843,/0/default.jpg)
Cairn 4 [working proof 3]
- Medium
- soap ground and sugar lift aquatints with soft ground etching in yellow and black on wove Somerset paper [working proof 3]
- Dimensions
- plate: 40.5 × 35.3 cm (15 15/16 × 13 7/8 in.) sheet: 50.4 × 42.4 cm (19 13/16 × 16 11/16 in.)
- Genre
![Untitled (unpublished 3D [working proof 1]](https://api.nga.gov/iiif/0263793b-2b21-40e2-90b2-75c413a81534/full/843,/0/default.jpg)
![Cantilever Bridges [working proof 5]](https://api.nga.gov/iiif/26e7adcf-f6a1-41df-b880-61f189a84aaa/full/843,/0/default.jpg)
![Urbino [working proof 24]](https://api.nga.gov/iiif/93109a1a-3b4f-425f-b78d-44078e487117/full/843,/0/default.jpg)
![Untitled (B) [working proof 1]](https://api.nga.gov/iiif/0b577e4b-fe71-4e45-b29f-eb6ee7d30020/full/843,/0/default.jpg)
