Telescope VOL. 4 SEPTEMBER 1955 N0.9 Self-propelled model of a Hog Island type freight vessel JO ME LIS", built by Charles S. Mooney Other Description and Photos of the FOURTH ANNUAL MODEL EXHIBITION p.7 SUPPRESSION OF SHIP VIBRATION BY FLOW CONTROL Prof. L. A. Baier Prof. Jesse Ormondroyd p.3 BAEDEKER ON THE GREAT LAKES p. 12