Eighth International Congress of Applied Chemistry, Washington and New York, September 4 to 13, 1912 .. T Technology
Eighth International Congress of Applied Chemistry, Washington and New York, September 4 to 13, 1912 .. T Technology
Elbow patterns for all forms of pipe, a treatise upon the elbow pattern explaining the most simple and accurate methods for obtaining the patterns for elbows in all forms of pipe made from sheet metal, with useful mathematical rules and tables T Technology
Elbow patterns for all forms of pipe, a treatise upon the elbow pattern explaining the most simple and accurate methods for obtaining the patterns for elbows in all forms of pipe made from sheet metal, with useful mathematical rules and tables T Technology
Electrical contracting : shop system, estimating, wiring construction methods, and hints on getting business T Technology
Electrical designs; comprising instructions for constructing small motors, testing instruments, and other apparatus; with working drawings for each design T Technology