Stories of inventors and discoverers in science and the useful arts. A book for old and young T Technology
Lubricating oils, fats and greases; their origin, preparation, properties, uses and analysis 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
Mechanical movements, powers, devices and appliances, used in constructive and operative machinery and the mechanical arts .. T Technology
