Levels

The levels form a large part of the collection. As will become clear quite a few new developments in the 20th century were first applied to levels, like in the 1924 Carl Zeiss Nivellier II.

The collection aims to show the development of levels starting from the 19th century with the Egault and Lenoir type levels. Also more simple levelling systems based on liquid filled communicating reservoirs like the hydrostatic level and the water bottle level.

Being a Heinrich Wild adept, the collection mainly focusses on levels he developed, during his years at Carl Zeiss Jena (where he developed the Nivellier I, Nivellier II, and Nivellier III in this collection) and within his own firm Wild Heerbrugg. The first instrument he made within his own firm, the NII is present in the Wild NKII model with the incredible low serial number 960.

In addition to that the other levels of Wild's 'baseline' of models, the Wild NK01, N1, NK10, N2, NA2, and N3 are all present, the latter even as the last model N3. Of Wild's first levelling instrument, the NKII, not only the first model but also the second (N2) and third (NK21) models are present.

Finally the collection houses the first commercially successful automatic level, the 1960s Zeiss Opton Ni 2 and the even more accurate 1960s Jenoptik Koni 007.

If you have any questions and/or remarks please let me know.

The 20th c. hydrostatic level.
Figure 1: The 20th c. hydrostatic level.
 
19th c. Water Bottle Level.
Figure 2: 19th c. Water Bottle Level.

19th. c. Secrétan Egault type level.
Figure 3: 19th. c. Secrétan Egault type level.
 
19th. c. Tibaut Desimpelaere Lenoir type level.
Figure 4: 19th. c. Tibaut Desimpelaere Lenoir type level.

1928 Carl Zeiss Nivellier I.
Figure 5: 1928 Carl Zeiss Nivellier I.
 
1924 Carl Zeiss Nivellier II.
Figure 6: 1924 Carl Zeiss Nivellier II.

1932 Carl Zeiss Nivellier III.
Figure 7: 1932 Carl Zeiss Nivellier III.
 
1926 Wild Heerbrugg NKII.
Figure 8: 1926 Wild Heerbrugg NKII.

1948 Wild N1 (Baby Wild).
Figure 9: 1948 Wild N1 (Baby Wild).
 
1951 Wild Heerbrugg N2.
Figure 10: 1951 Wild Heerbrugg N2.

1965 Wild Heerbrugg NK01.
Figure 11: 1965 Wild Heerbrugg NK01.
 
1965 Wild Heerbrugg NK10.
Figure 12: 1965 Wild Heerbrugg NK10.

1961 Wild Heerbrugg N3 old style.
Figure 13: 1961 Wild Heerbrugg N3 old style.
 
1970 new style Wild NK2.
Figure 14: 1970 new style Wild NK2.

1977 Wild Heerbrugg new style N3.
Figure 15: 1977 Wild Heerbrugg new style N3.
 
1999 Wild/Leica NA2/GPM3 combination.
Figure 16: 1999 Wild/Leica NA2/GPM3 combination.

Mid 20th century Hilger & Watts Cowley level.
Figure 17: Mid 20th century Hilger & Watts Cowley level.
 
1960s Jenoptik Koni 007.
Figure 18: 1960s Jenoptik Koni 007.

1960s Zeiss Opton Ni 2
Figure 19: 1960s Zeiss Opton Ni 2
   

Surveyor's crosses Geodetic Sextants Theodolites Total Stations Levels Standards Tools Firms
20th c. hydrostatic level 19th c. water bottle level 19th c. Secrétan Egault 19th c. Tibaut Lenoir 1928 Carl Zeiss Nivellier I 1926 Wild NKII 1924 Carl Zeiss Nivellier II 1948 Wild N1 1932 Carl Zeiss Nivellier III 1951 Wild N2 1965 Wild NK01 1965 Wild NK10 1961 Wild N3 1970 Wild NK2 1977 Wild N3 1999 Wild NA2-GPM3 20th c. Cowley 1960s Jenoptik Koni 007 1960s Zeiss Opton Ni 2