Topographic Abney Level
Results: 3
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1 | Using an Abney Level to Measure Relative Heights 1) Introduction An Abney level is a small surveying instrument that consists of a sighting tube and a spirit level linked to a protractor and this allows angles and slopesAdd to Reading ListSource URL: www.hills-database.co.ukLanguage: English - Date: 2015-12-06 12:07:34 |
2 | KPI2016 catalog_BRD_Final.qxp_Layout:59 PM Page 66 HAND LEVELSSECO Model˝ 2x Extends to 7˝. Enclosed vial. OUR BEST SELLING HAND LEVEL.Add to Reading ListSource URL: www.keypre.comLanguage: English - Date: 2016-01-05 15:33:05 |
3 | Chicora Foundation, Inc. PO Box 8664 Columbia, SCDETERMINING THE HEIGHT OF TALL MONUMENTS WITH A CLINOMETERAdd to Reading ListSource URL: chicora.orgLanguage: English - Date: 2009-09-17 10:19:48 |