http://etc.usf.edu/clipart/ Free clipart for students & teachers! Welcome to quality educational clipart. Every item comes with a choice of image size and format as well as complete source information for proper citations in school projects. No advertisement-filled pages with pop-up windows or inappropriate links here. A friendly license allows teachers and students to use up to 50 items in a single, non-commercial project without further permission. http://etc.usf.edu/clipart/i/banner.jpg http://etc.usf.edu/clipart/ This website is CoolIris enabled! You can use the CoolIris browser plugin to view the images on this site in an interactive 3D wall.<br><br><br><br> http://www.cooliris.com/ Argonaut, sectional view submerged, 1901. Man in conning-tower making observations. Second man steering the third wheel which rests on the ocean bottom. Water tanks are filled when descending and pump... http://etc.usf.edu/clipart/3700/3743/argonaut_1.htm Argonaut, side view submerged, 1901. Key: C-driving wheel, E-rudder and guiding wheel, G-air lock, K-compartment for searchlight, L-forward lookout compartment, M-gasoline tanks, N-compressed air rese... http://etc.usf.edu/clipart/3700/3744/argonaut_2.htm "Torpedo Boats are small vessels built for speed and fitted with tubes for firing torpedoes by either compressed air or gunpowder. They can be used on the surface or submerged to do their work unseen ... http://etc.usf.edu/clipart/15200/15258/trpdoboat_15258.htm A Holland submarine torpedo boat, devised by John P. Holland with the U.S. Navy.... http://etc.usf.edu/clipart/56100/56168/56168_holland_boat.htm Sectional view of a submarine.... http://etc.usf.edu/clipart/44500/44569/44569_submarine.htm "A Submarine Boat is a boat capable of being propelled under the water. The first was probably that constructed by Drebbel, a Dutchman, for James I., and Robert Fulton made an effort in the same direc... http://etc.usf.edu/clipart/16500/16568/submarineboa_16568.htm