![](https://coimages.sciencemuseumgroup.org.uk/732/309/large_thumbnail_smg00450182.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/732/309/large_thumbnail_smg00450182.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/732/308/large_thumbnail_smg00450181.jpg)
level
![](https://coimages.sciencemuseumgroup.org.uk/732/307/large_thumbnail_smg00450180.jpg)
level
![](https://coimages.sciencemuseumgroup.org.uk/732/306/large_thumbnail_smg00450178.jpg)
level
![](https://coimages.sciencemuseumgroup.org.uk/353/241/large_thumbnail_smg00176791.jpg)
Level by Cooke Troughton and Simms Ltd of York
1970-1975
![](https://coimages.sciencemuseumgroup.org.uk/299/878/large_thumbnail_smg00065813.jpg)
Level used for setting Eccentrics
![](https://coimages.sciencemuseumgroup.org.uk/361/758/large_thumbnail_smg00176616.jpg)
Level No. II by Carl Zeiss Jena
1928
![](https://coimages.sciencemuseumgroup.org.uk/428/900/large_thumbnail_smg00052210.jpg)
Plummet level
![](https://coimages.sciencemuseumgroup.org.uk/354/664/large_thumbnail_smg00051509.jpg)
Level by Benjamin Cole
1750
![](https://coimages.sciencemuseumgroup.org.uk/424/146/large_thumbnail_smg00174492.jpg)
"Ni 007" level
1970
![](https://coimages.sciencemuseumgroup.org.uk/353/212/large_thumbnail_smg00174560.jpg)
Watts level
1968-1972
![](https://coimages.sciencemuseumgroup.org.uk/361/880/large_thumbnail_smg00177659.jpg)
Clitograph level, French, 1862-1900
1862-1900
![](https://coimages.sciencemuseumgroup.org.uk/356/524/large_thumbnail_smg00174461.jpg)
Level by Malizard of Paris, late 19th Century
1870-1900
![](https://coimages.sciencemuseumgroup.org.uk/361/759/large_thumbnail_smg00176617.jpg)
Lefebvre type clitograph, French, 1862
1862
![](https://coimages.sciencemuseumgroup.org.uk/459/468/large_thumbnail_smg00177824.jpg)
Level & clinometer, English, 1860-1910
1860-1910
![](https://coimages.sciencemuseumgroup.org.uk/733/217/large_thumbnail_smg00450177.jpg)
level
![](https://coimages.sciencemuseumgroup.org.uk/353/145/large_thumbnail_smg00173074.jpg)
Reflecting plummet level
1829-1900
![](https://coimages.sciencemuseumgroup.org.uk/327/518/large_thumbnail_smg00180065.jpg)
industrial spirit level
N. K.
![](https://coimages.sciencemuseumgroup.org.uk/725/790/large_thumbnail_smg00450155.jpg)
level
![](https://coimages.sciencemuseumgroup.org.uk/354/685/large_thumbnail_smg00051536.jpg)
Level by Cooke, Troughton & Simms Ltd, 1959
1959
![](https://coimages.sciencemuseumgroup.org.uk/432/422/large_thumbnail_smg00173174.jpg)
28 inch level, by Troughton and Simms, with case
1801-1831
![](https://coimages.sciencemuseumgroup.org.uk/346/311/large_thumbnail_smg00176782.jpg)
Small level with compass by G Davis
circa 1825
![](https://coimages.sciencemuseumgroup.org.uk/361/806/large_thumbnail_smg00176939.jpg)
Compensation level, German, 1874
1874
![](https://coimages.sciencemuseumgroup.org.uk/356/528/large_thumbnail_smg00174466.jpg)
Miner's level, by W. & S. Jones, mid 19th century
1830-1870
![](https://coimages.sciencemuseumgroup.org.uk/424/806/large_thumbnail_smg00173109.jpg)
Clitograph, 3rd category, by J. Lefebvre, Paris, France
1862-1900
![](https://coimages.sciencemuseumgroup.org.uk/361/900/large_thumbnail_smg00177748.jpg)
Abney level & clinometer, English, 1851-1856
1851-1856
![](https://coimages.sciencemuseumgroup.org.uk/361/910/large_thumbnail_smg00177760.jpg)
Abney level & clinometer, English, 1875-1885
1875-1885
![](https://coimages.sciencemuseumgroup.org.uk/320/460/large_thumbnail_smg00029925.jpg)
Abney type level
1880
![](https://coimages.sciencemuseumgroup.org.uk/361/856/large_thumbnail_smg00177203.jpg)
Combined Abney Level and Clinometer, 1875-1885
1875-1885
![](https://coimages.sciencemuseumgroup.org.uk/359/727/large_thumbnail_smg00178603.jpg)
Combined Abney Level and Clinometer, 1882-1887
1882-1887
![](https://coimages.sciencemuseumgroup.org.uk/214/916/large_thumbnail_1913_0258__0006_.jpg)
Optical balance level
1700-1799
Optical balance level
1700-1799
Level by Hall Brothers of Croydon
1941-1950
12-inch level by Troughton and Simms. With tripod
1801-1900
Watkin's Improved Combined Finder, Level and Telemeter
Bubble level for checking the horizontality of telescope axis
1801-1850
30 inch level by Cary
1830