![](https://coimages.sciencemuseumgroup.org.uk/386/104/medium_thumbnail_1900_0157__0001_.jpg)
Pocket altazimuth, British, 1871-1900
- maker:
- Casella, L. P.
![Second of two experimental forms of pocket altazimuth by L](https://coimages.sciencemuseumgroup.org.uk/359/444/small_thumbnail_smg00175310.jpg)
![Pocket altazimuth, British, 1871-1900 (altazimuth)](https://coimages.sciencemuseumgroup.org.uk/52/179/small_thumbnail_1923_0414_0001__0001_.jpg)
![Pocket altazimuth, British, 1871-1900 (altazimuth)](https://coimages.sciencemuseumgroup.org.uk/52/180/small_thumbnail_1923_0414_0001__0002_.jpg)
![Pocket altazimuth, British, 1871-1900 (altazimuth)](https://coimages.sciencemuseumgroup.org.uk/52/181/small_thumbnail_1923_0414_0001__0003_.jpg)
Second of two experimental forms of pocket altazimuth by L. Casella, London, England, 1871-1900
Second of two experimental forms of pocket altazimuth by L. Casella, London, England, 1871-1900