Motorboat Bills: Hearings Before the Committee on Merchant Marine and Fisheries, House of Representatives, Seventy-sixth Congress, First Session, on H.R. 6039, a Bill to Amend Laws for Preventing Collision of Vessels, to Regulate Equipment of Certain Motorboats on Navigable Waters of the United States, and for Other Purposes; and H.R. 6273, a Bill with Respect to Boats Equipped with Detachable Motors and for Other Motorboats. June 6, 1939