


level

Clitograph level, French, 1862-1900
1862-1900

Level by Malizard of Paris, late 19th Century
1870-1900

Plummet level

"Ni 007" level
1970

Level by Benjamin Cole
1750

Watts level
1968-1972

Level No. II by Carl Zeiss Jena
1928

Lefebvre type clitograph, French, 1862
1862

Level by Cooke Troughton and Simms Ltd of York
1970-1975

level

level

level

Level & clinometer, English, 1860-1910
1860-1910

28 inch level, by Troughton and Simms, with case
1801-1831

Clitograph, 3rd category, by J. Lefebvre, Paris, France
1862-1900

Miner's level, by W. & S. Jones, mid 19th century
1830-1870

Compensation level, German, 1874
1874

Reflecting plummet level
1829-1900

Small level with compass by G Davis
circa 1825

industrial spirit level
N. K.

level

level

Abney level & clinometer, English, 1875-1885
1875-1885

Level by Cooke, Troughton & Simms Ltd, 1959
1959

Abney level & clinometer, English, 1851-1856
1851-1856

Combined Abney Level and Clinometer, 1875-1885
1875-1885

Combined Abney Level and Clinometer, 1882-1887
1882-1887

Abney type level
1880

Optical balance level
1700-1799
Optical balance level
1700-1799
Watkin's Improved Combined Finder, Level and Telemeter
Bubble level for checking the horizontality of telescope axis
1801-1850
12-inch level by Troughton and Simms. With tripod
1801-1900
Level by Hall Brothers of Croydon
1941-1950
30 inch level by Cary
1830