Silent film. Men on the “Adventuress” boat sail in the ocean. Title: “Propeller Club of California”. A letter saying: “August 25, 1930/ Mr. Harry Haviside, 56 Steuart Street, San Francisco Calif. / Dear Harry: We want to extend to you our appreciation for the 100% cooperation that you gave in handling the commercial boat races on Harbor day, August 21, 1930. Without the cooperation that you gave this event would not have been the complete success that it was. With kindest regards, we are sincerely [autograph] President, [autograph] Chairman Board of Governors, [autograph] Secretary-Treasurer Propeller Club of California”.