SINKING AND BORING WELLS.
Reading edition
BORING SHEAR FRAME.
WATER SUPPLY. THE PRESENT PRACTICE OF SINKING AND BORING WELLS; WITH GEOLOGICAL CONSIDERATIONS AND EXAMPLES OF WELLS EXECUTED. BY ERNEST SPON, MEMBER OF THE SOCIETY OF ENGINEERS; OF THE FRANKLIN INSTITUTE; OF THE IRON AND STEEL INSTITUTE; AND OF THE GEOLOGISTS’ ASSOCIATION.
LONDON: E. & F. N. SPON, 48, CHARING CROSS. NEW YORK: 446, BROOME STREET. 1875.