Bunsen's Calorimeter Small 181×320 Medium 361×640 Large 578×1024 Download Tiff Original 1354×2400 | (302.8 KB) Description "In Bunsen's instrument a test tube is sealed into and enclosed by an outer tube, the lower part of which, together with a tube leading from it to a narrow gauge, is filled with mercury."—Finley, 1917 Keywords bunsen, calorimeter, energy, heat, instrument, measure, tube Galleries Chemistry Apparatus Source: Finley, John H. Nelson's Perpetual Loose-Leaf Encyclopedia (New York City: Thomas Nelson and Sons, 1917) 11:359