Beam balance Small 320×115 Medium 640×230 Large 1024×369 Download Tiff Original 2400×864 | (475.2 KB) Description "This is a very convenient and quite accurate method of determining specific gravity." — Ford, 1912 Keywords balance, beam, mass, measure, science, weigh Galleries Chemistry Apparatus Source: William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 65
