Machine invented by Capt. A. R. Mangnall and made by Hydraulic Eng. Co., Chester, England, which is said to be built to pierce a hole 4 in. in diameter and 150 ft. long horizontally through heavy clay in half an hour. Machine is said to operate on principle of thrusting a stick into clay.
Thrust boring in earth
Engr
Engineer ; 129 , n 3354
1920
3 pages
4 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Thrust-boring for drainage purposes
Engineering Index Backfile | 1927
Sewer pipes laid by thrust boring
Engineering Index Backfile | 1926
Planar High-Thrust and Low-Thrust Orbital Transfers from Earth to Europa
Online Contents | 2004
|Engineering Index Backfile | 1937