Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel .. T Technology
Hardening, tempering, annealing and forging of steel; a treatise on the practical treatment and working of high and low grade steel.. T Technology
Harper’s hydraulic tables for the flow of water in circular pipes under pressure, timber flumes, open channels, and egg-shaped conduits T Technology
Harvard engineering journal : devoted to the interests of engineering and architecture at Harvard University T Technology
Hawkins electrical guide … : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise T Technology
Hawkins electrical guide : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications : a practical treatise T Technology
