efore true (solar) turbine shaft. is formed with a BY EMILE GUARINI. noon; and when the sun crosses the meridian before The time that separates two successive passages of mean noon, the lens inclines to the left and is not in the sun across the meridian is not always the same. line until after its… … held. At the inlet end of each cylinder a partition, A, INSTRUMENT FOR INDICATING MEAN is placed and the remainder of the space is taken up ASTRONOMICAL NOON. NEW GERMAN TOWER ELECTRIC CRANE. with a series of stationary disks or partitions, C. The partitions A and C are keyed to the casing so as…
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