s previous- perature is desirable and an effort is made to keep at with a chain leading to a boat, or other means of pull- ly constructed, was submerged during the first week of or near a certain standard. They are especially de- ing the machine, is journaled a shaft carrying drive sirable in the… … BENTINCK & RENNER'S DIGGING MACHINE cubic yards of sand or mud, thus rapidly and effectively deepening channels or ness, spaced externally 20 inches apart and connected removing sandbars at the mouths of rivers, etc. at every 10 feet by interties. Each pipe consists of two oblique parts and of a…
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