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/ A balance scale holding 5 pounds on the left and 3 and 2 pound weights on the right showing 3+2=5.... http://etc.usf.edu/clipart/50100/50142/50142_add_scale.htm An apparatus for weighing bodies.... http://etc.usf.edu/clipart/19300/19340/balance_19340.htm A balance used for measuring weight.... http://etc.usf.edu/clipart/20000/20031/balance_20031.htm "A representation of a common form of the delicate balances employed in physical and chemical researches. the beam is constructed so as to combine lightness with strength, and rests by a fine knife-e... http://etc.usf.edu/clipart/27300/27388/balance_27388.htm "When bodies of equal weight are supported by the arms of a lever, they will balance each other when placed at equal distances from the fulcrum." &mdash;Quackenbos 1859... http://etc.usf.edu/clipart/36300/36336/balance_36336.htm "On this principle the common balance, represented [here] is constructed. A beam is poised on the top of a pillar, so as to be exactly horizontal. From each end of the beam, at equal distances from th... http://etc.usf.edu/clipart/36300/36337/balance2_36337.htm A balance with three apples on the left and 15 blocks on the right.... http://etc.usf.edu/clipart/41800/41846/balance_41846.htm A balance with two blocks and a slice of cake on the left and three one-unit blocks and one 25-unit block on the right.... http://etc.usf.edu/clipart/41800/41847/balance_41847.htm A balance with nothing on either side.... http://etc.usf.edu/clipart/41800/41848/balance_41848.htm A weighing apparatus somewhat resembling the steelyard, but differing from it by having the fulcrum movable. ... http://etc.usf.edu/clipart/28700/28752/balance_28752.htm An illustration of a precision balance.... http://etc.usf.edu/clipart/58100/58133/58133_balance.htm Spring balances are used to weigh articles in which a high degree of exactness is not required.... http://etc.usf.edu/clipart/7400/7483/balances_7483.htm A small scale used for weighing silver, medicines, etc. ... http://etc.usf.edu/clipart/25100/25106/dotchin_25106.htm An instrument used to determine the weight of an object.... http://etc.usf.edu/clipart/24000/24073/scale_24073.htm "A common scale-beam, used for weighing, is a lever, suspended at the centre of gravity, so that the two arms balance each other. Hence the machine is called a balance. The fulcrum, or what is called ... http://etc.usf.edu/clipart/35700/35772/scale_35772.htm "A pracitcal application of a balance/lever is a see-saw." &mdash;Quackenbos 1859... http://etc.usf.edu/clipart/36300/36340/seesaw_36340.htm Three spring-balances hooked together around a small ring.... http://etc.usf.edu/clipart/20000/20042/spngbalances_20042.htm "The Steelyard is more portable then the ordinary balance. It consists of a lever, AB, moving round a knife-edge or point at C. The body to be weighed, W, is put into the scale which hangs from A; a... http://etc.usf.edu/clipart/27300/27389/steelyard_27389.htm "The steelyard differs from the balance, in having its support near one end, instead of in the middle, and also in having the weights suspended by hooks, instead of being placed in a dish." -Comstock ... http://etc.usf.edu/clipart/35700/35773/steelyard_35773.htm "When bodies of unequal weight are supported by the arms of a lever, they will balance each other whenever the weight of the one multiplied into its distance from the fulcrum." &mdash;Quackenbos 1859... http://etc.usf.edu/clipart/36300/36338/steelyard_36338.htm "The steelyard is a kind of balance, which, though not so sensitive as the one being described above, answers very well for heavy bodies, and is conveniently carried, as it requires but a single weigh... http://etc.usf.edu/clipart/36300/36339/steelyard2_36339.htm An illustration of an unequal-arm balance.... http://etc.usf.edu/clipart/58100/58134/58134_unequalarm.htm