Per minute, so that four men can by a crane raise 1 ton 9 ft.
II represents a portable steam jib crane; it contains the same elements as the fixed crane (fig.
Strong crane-post, or pillar, around which the crane revolves.
Per minute, and 100-ton crane with a speed of about 8 ft.
Grus cinerea), the Grus leucauchen (mana-zuru), the Grus monachus (nabe-zuru), and the white crane (shiro-zuru).
The gnat, for example, weighs 97,000 times less than the pigeon, and has 40 times more surface; it weighs three millions of times less than the crane of Australia, and possesses 140 times more of surface than this latter, the weight of which is about 9 kilogrammes 500 grammes (25 lb 5 oz.
This type of crane used to be in great favour, in consequence of the great clearance it gives under the jib, but it is expensive and requires very heavy foundations.
Thick, and a famous crane (erected 1554) for lading merchandise.
In either case the platform is fitted with a crane or cranes for lifting merchandise into and out of the wagons, and doors enable the shed to be used as a lock-up warehouse.
In a refinery in Nova Scotia a system has been introduced by which a travelling crane above the bag filters lifts up any head bodily with all its bags attached, and runs it to the mud and washing tanks at the end of the battery, while another similar crane drops another head, fitted with fresh bags, into the place of the one just removed.