cavated, the masonry of the locks could dropped 15 feet, and the navigation channel brought nary construction tracks. When this material had been again to its original position on the left-hand side of be blasted away, and the gates themselves could taken out down to the surface level of plus 130,… … -joo-o" Removable. Locks for Summit Level ■ down to about proposed sea- Method ofExcavatjhb Summit Level- level canal is 45 feet below MAXt"7Utf LAAC L-f-VEL sea level. to have a depth of 45 feet and M e t h o D OF OK/SSfl/ALlEVHl, BF Sit/iff IT a bottom width Disposal o f /JO' I of 300 feet, and…
Patents · Canal · Manufacture · Fiber · Device · Electric furnace · Scientific American · Cushion sole · Alternating current · Rapid transit · York city · Sewing machine · Gas engine · Brass tube · Panama canal
Internet Archive · Public domain (published before 1931). Free to use for anything.
