NPFC - A-A-52025
LEVELS, SURVEYING: ABNEY TYPE
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| Organization: | NPFC |
| Publication Date: | 4 February 1991 |
| Status: | active |
| Page Count: | 3 |
scope:
The General Services Administration has authorized the use of this commercial item description in preference to Federal specification GG-L-260E.
This description covers two types of Abney surveying levels used for measuring land slope in degrees or percent of grade and for topographic surveying.
Document History
August 12, 2019
Levels, Surveying: Abney Type
A description is not available for this item.
September 27, 2001
LEVELS, SURVEYING: ABNEY TYPE
A description is not available for this item.
A-A-52025
February 4, 1991
LEVELS, SURVEYING: ABNEY TYPE
The General Services Administration has authorized the use of this commercial item description in preference to Federal specification GG-L-260E.
This description covers two types of Abney surveying...