at its first movement, ing will have second story apartments at its ends on Thirty- and so on alternately, the shaft being revolved in opposite while closing the latter will open them at its last movement. second and Thirty-third Streets respectively, with stairways directions. The lifting rope, N,… … COOPER'S IMPROVED SHIP CLEANER. the results promise to be of much value. BERENS’ A comprehensive scheme of classification has been care- fully elaborated; a system of rules and regulations to gov- ing the door of the main chamber, the object being to shield frame, H, passes over a pulley in an arm…
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