Railway signaling; a comprehensive treatise on modern methods of railway signaling, covering principles of operation and types of apparatus; T Technology
Papers read before the Black Hills mining men’s association at their regular monthly meetings, on the mining and metallurgy of Black Hills ores, together with a brief outline of the mining industry of the Black Hills, and some statistics relating to the output of gold from the district T Technology
Practical alternating currents and power transmission, a practical treatise on the principles and applications of alternating currents to central station and power-house plants, including the elements of power transmission. Enriched by one hundred and seventy-two illustrations T Technology
