. Deep borehole surveys and problems. Boring. GYROSCOPIC COMPASS METHODS OF SURVEYING 221 -Wire Line â Wire Line Socket Ball Bearing / Swivel Shock Absorber Jiminq Device Box Level 6age Insfrumen+ â â¢''Rrofecfing Casing Film Camera â Gyroscope Shock "Absorber Gasket â Batteries â BaHery Profecfive Casing Shock 'Absorber Fig. Fig. 2.âThe box level Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Haddock, M. H
. Deep borehole surveys and problems. Boring. GYROSCOPIC COMPASS METHODS OF SURVEYING 221 -Wire Line â Wire Line Socket Ball Bearing / Swivel Shock Absorber Jiminq Device Box Level 6age Insfrumen+ â â¢''Rrofecfing Casing Film Camera â Gyroscope Shock "Absorber Gasket â Batteries â BaHery Profecfive Casing Shock 'Absorber Fig. Fig. 2.âThe box level Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Haddock, M. H. (Marshall Henry). New York, McGraw-Hill
Size: 2261px × 1105px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionb, bookpublishernewyorkmcgrawhill
